- Linux-kselftest-mirror - lists.linaro.org

[PROBLEM] selftests: net/forwarding/*.sh: 'Command line is not complete. Try option "help"'

by Mirsad Todorovac

Hi, There seems to be a problem with net/forwarding line of 6.5-rc2 kselftests, vanilla Torvalds tree, commit fdf0eaf11452, on Ubuntu 22.04 LTS Jammy Jellyfish. (Confirmed on Ubuntu 22.10 Kinetic Kudu.) Tests fail with error message: Command line is not complete. Try option "help" Failed to create netif The script # tools/testing/seltests/net/forwarding/bridge_igmp.sh bash `set -x` ends with an error: ++ create_netif_veth ++ local i ++ (( i = 1 )) ++ (( i <= NUM_NETIFS )) ++ local j=2 ++ ip link show dev ++ [[ 255 -ne 0 ]] ++ ip link add type veth peer name Command line is not complete. Try option "help" ++ [[ 255 -ne 0 ]] ++ echo 'Failed to create netif' Failed to create netif ++ exit 1 The problem seems to be linked with this piece of code of "lib.sh": create_netif_veth() { local i for ((i = 1; i <= NUM_NETIFS; ++i)); do local j=$((i+1)) ip link show dev ${NETIFS[p$i]} &> /dev/null if [[ $? -ne 0 ]]; then ip link add ${NETIFS[p$i]} type veth \ peer name ${NETIFS[p$j]} if [[ $? -ne 0 ]]; then echo "Failed to create netif" exit 1 fi fi i=$j done } Somehow, ${NETIFS[p$i]} is evaluated to an empty string? However, I can't seem to see what is the expected result. The problem was confirmed in the backlogs of 6.5-rc1 and 6.4 kselftests. It is possible that I'm doing something terribly wrong, but it is basically the default kselftest suite on a rather minimal Ubuntu. Please find attached the bash output from `set -x`. Version of iproute2 is: ii iproute2 5.15.0-1ubuntu2 amd64 networking and traffic control tools Hope this helps. Best regards, Mirsad Todorovac

1 year, 11 months

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[PATCH v2] selftests: prctl: Add new prctl test for PR_SET_NAME

by Osama Muhammad

This patch will add the new test, which covers the prctl call PR_SET_NAME command. The test tries to give a name using the PR_SET_NAME call and then confirm it that it changed correctly by using PR_GET_NAME. It also tries to rename it with empty name.In the test PR_GET_NAME is tested by passing null pointer to it and check its behaviour. Signed-off-by: Osama Muhammad <osmtendev(a)gmail.com> --- changes since v1: -Used TASK_COMM_LEN instead of using numerical value 16. --- tools/testing/selftests/prctl/Makefile | 2 +- .../selftests/prctl/set-process-name.c | 62 +++++++++++++++++++ 2 files changed, 63 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/prctl/set-process-name.c diff --git a/tools/testing/selftests/prctl/Makefile b/tools/testing/selftests/prctl/Makefile index c058b81ee..cfc35d29f 100644 --- a/tools/testing/selftests/prctl/Makefile +++ b/tools/testing/selftests/prctl/Makefile @@ -5,7 +5,7 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/) ifeq ($(ARCH),x86) TEST_PROGS := disable-tsc-ctxt-sw-stress-test disable-tsc-on-off-stress-test \ - disable-tsc-test set-anon-vma-name-test + disable-tsc-test set-anon-vma-name-test set-process-name all: $(TEST_PROGS) include ../lib.mk diff --git a/tools/testing/selftests/prctl/set-process-name.c b/tools/testing/selftests/prctl/set-process-name.c new file mode 100644 index 000000000..3bc5e0e09 --- /dev/null +++ b/tools/testing/selftests/prctl/set-process-name.c @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * This test covers the PR_SET_NAME functionality of prctl calls + */ + +#include <errno.h> +#include <sys/prctl.h> +#include <string.h> + +#include "../kselftest_harness.h" + +#define CHANGE_NAME "changename" +#define EMPTY_NAME "" +#define TASK_COMM_LEN 16 + +int set_name(char *name) +{ + int res; + + res = prctl(PR_SET_NAME, name, NULL, NULL, NULL); + + if (res < 0) + return -errno; + return res; +} + +int check_is_name_correct(char *check_name) +{ + char name[TASK_COMM_LEN]; + int res; + + res = prctl(PR_GET_NAME, name, NULL, NULL, NULL); + + if (res < 0) + return -errno; + + return !strcmp(name, check_name); +} + +int check_null_pointer(char *check_name) +{ + char *name = NULL; + int res; + + res = prctl(PR_GET_NAME, name, NULL, NULL, NULL); + + return res; +} + +TEST(rename_process) { + + EXPECT_GE(set_name(CHANGE_NAME), 0); + EXPECT_TRUE(check_is_name_correct(CHANGE_NAME)); + + EXPECT_GE(set_name(EMPTY_NAME), 0); + EXPECT_TRUE(check_is_name_correct(EMPTY_NAME)); + + EXPECT_GE(set_name(CHANGE_NAME), 0); + EXPECT_LT(check_null_pointer(CHANGE_NAME), 0); +} + +TEST_HARNESS_MAIN -- 2.34.1

1 year, 11 months

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[PATCH] rust: doctests: Use tabs for indentation in generated C code

by David Gow

While Rust uses 4 spaces for indentation, we should use tabs in the generated C code. This does result in some scary-looking tab characters in a .rs file, but they're in a string literal, so shouldn't make anything complain too much. Fixes: a66d733da801 ("rust: support running Rust documentation tests as KUnit ones") Signed-off-by: David Gow <davidgow(a)google.com> --- scripts/rustdoc_test_gen.rs | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/scripts/rustdoc_test_gen.rs b/scripts/rustdoc_test_gen.rs index 5ebd42ae4a3f..a625cf3517c0 100644 --- a/scripts/rustdoc_test_gen.rs +++ b/scripts/rustdoc_test_gen.rs @@ -242,13 +242,13 @@ macro_rules! assert_eq {{ {c_test_declarations} static struct kunit_case test_cases[] = {{ - {c_test_cases} - {{ }} + {c_test_cases} + {{ }} }}; static struct kunit_suite test_suite = {{ - .name = "rust_doctests_kernel", - .test_cases = test_cases, + .name = "rust_doctests_kernel", + .test_cases = test_cases, }}; kunit_test_suite(test_suite); -- 2.41.0.255.g8b1d071c50-goog

1 year, 11 months

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Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning

by Muhammad Usama Anjum

Thank you Michał. On 7/21/23 12:28 AM, Michał Mirosław wrote: > b. rename match "flags" to 'page categories' everywhere - this makes > it easier to differentiate the ioctl()s categorisation of pages > from struct page flags; > c. change {required + excluded} to {inverted + required}. This was > rejected before, but I'd like to illustrate the difference. > Old interface can be translated to the new by: > categories_inverted = excluded_mask > categories_mask = required_mask | excluded_mask > categories_anyof_mask = anyof_mask > The new way allows filtering by: A & (B | !C) > categories_inverted = C > categories_mask = A > categories_anyof_mask = B | C Andrei and Danylo, Are you okay with these masks? It were you two who had proposed these. -- BR, Muhammad Usama Anjum

1 year, 11 months

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[PATCH RFC 0/7] selftests/nolibc: KTAP output

by Thomas Weißschuh

This series demonstrates how KTAP output can be used by nolibc-test to make the test results better to read for people and machines. Especially when running multiple invocations for different architectors or build configurations we can make use of the kernels TAP parser to automatically provide aggregated test reports. The code is very hacky and incomplete and mostly meant to validate if the output format is useful. Start with the last patch of the series to actually see the generated format, or run it for yourself. Signed-off-by: Thomas Weißschuh <linux(a)weissschuh.net> --- Thomas Weißschuh (7): selftests/nolibc: statically calculate number of testsuites selftests/nolibc: use unsigned indices for testcases selftests/nolibc: replace repetitive test structure with macro selftests/nolibc: count subtests kselftest: support KTAP format kselftest: support skipping tests with testname selftests/nolibc: proof of concept for TAP output tools/testing/selftests/kselftest.h | 20 +++ tools/testing/selftests/nolibc/nolibc-test.c | 197 ++++++++++-------------- tools/testing/selftests/nolibc/run-all-tests.sh | 22 +++ 3 files changed, 127 insertions(+), 112 deletions(-) --- base-commit: dfef4fc45d5713eb23d87f0863aff9c33bd4bfaf change-id: 20230718-nolibc-ktap-tmp-4408f505408d Best regards, -- Thomas Weißschuh <linux(a)weissschuh.net>

1 year, 11 months

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Re: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning

by kernel test robot

Hi Michał, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.5-rc2 next-20230721] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Micha-Miros-aw/Re-fs-proc-ta… base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/a0b5c6776b2ed91f78a7575649f8b100e58bd3a9.16898810… patch subject: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning config: powerpc-randconfig-r015-20230720 (https://download.01.org/0day-ci/archive/20230721/202307211507.xOl45LiR-lkp@…) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230721/202307211507.xOl45LiR-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202307211507.xOl45LiR-lkp@intel.com/ All errors (new ones prefixed by >>): >> fs/proc/task_mmu.c:1921:6: error: call to undeclared function 'userfaultfd_wp_async'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1921 | if (userfaultfd_wp_async(vma) && userfaultfd_wp_use_markers(vma)) | ^ >> fs/proc/task_mmu.c:2200:12: error: call to undeclared function 'uffd_wp_range'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2200 | int err = uffd_wp_range(vma, addr, end - addr, true); | ^ 2 errors generated. vim +/userfaultfd_wp_async +1921 fs/proc/task_mmu.c 1913 1914 static int pagemap_scan_test_walk(unsigned long start, unsigned long end, 1915 struct mm_walk *walk) 1916 { 1917 struct pagemap_scan_private *p = walk->private; 1918 struct vm_area_struct *vma = walk->vma; 1919 unsigned long vma_category = 0; 1920 > 1921 if (userfaultfd_wp_async(vma) && userfaultfd_wp_use_markers(vma)) 1922 vma_category |= PAGE_IS_WPASYNC; 1923 else if (p->arg.flags & PM_SCAN_CHECK_WPASYNC) 1924 return -EPERM; 1925 1926 if (vma->vm_flags & VM_PFNMAP) 1927 return 1; 1928 1929 if (!pagemap_scan_is_interesting_vma(vma_category, p)) 1930 return 1; 1931 1932 p->cur_vma_category = vma_category; 1933 return 0; 1934 } 1935 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 year, 11 months

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Re: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning

by kernel test robot

Hi Michał, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.5-rc2 next-20230720] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Micha-Miros-aw/Re-fs-proc-ta… base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/a0b5c6776b2ed91f78a7575649f8b100e58bd3a9.16898810… patch subject: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning config: i386-randconfig-r022-20230720 (https://download.01.org/0day-ci/archive/20230721/202307211337.5dwCMeHb-lkp@…) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20230721/202307211337.5dwCMeHb-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202307211337.5dwCMeHb-lkp@intel.com/ All errors (new ones prefixed by >>): >> fs/proc/task_mmu.c:1921:6: error: call to undeclared function 'userfaultfd_wp_async'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] if (userfaultfd_wp_async(vma) && userfaultfd_wp_use_markers(vma)) ^ >> fs/proc/task_mmu.c:2200:12: error: call to undeclared function 'uffd_wp_range'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration] int err = uffd_wp_range(vma, addr, end - addr, true); ^ 2 errors generated. vim +/userfaultfd_wp_async +1921 fs/proc/task_mmu.c 1913 1914 static int pagemap_scan_test_walk(unsigned long start, unsigned long end, 1915 struct mm_walk *walk) 1916 { 1917 struct pagemap_scan_private *p = walk->private; 1918 struct vm_area_struct *vma = walk->vma; 1919 unsigned long vma_category = 0; 1920 > 1921 if (userfaultfd_wp_async(vma) && userfaultfd_wp_use_markers(vma)) 1922 vma_category |= PAGE_IS_WPASYNC; 1923 else if (p->arg.flags & PM_SCAN_CHECK_WPASYNC) 1924 return -EPERM; 1925 1926 if (vma->vm_flags & VM_PFNMAP) 1927 return 1; 1928 1929 if (!pagemap_scan_is_interesting_vma(vma_category, p)) 1930 return 1; 1931 1932 p->cur_vma_category = vma_category; 1933 return 0; 1934 } 1935 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 year, 11 months

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[PATCH net-next v2 0/4] nexthop: Refactor and fix nexthop selection for multipath routes

by Benjamin Poirier

In order to select a nexthop for multipath routes, fib_select_multipath() is used with legacy nexthops and nexthop_select_path_hthr() is used with nexthop objects. Those two functions perform a validity test on the neighbor related to each nexthop but their logic is structured differently. This causes a divergence in behavior and nexthop_select_path_hthr() may return a nexthop that failed the neighbor validity test even if there was one that passed. Refactor nexthop_select_path_hthr() to make it more similar to fib_select_multipath() and fix the problem mentioned above. v2: Removed unnecessary "first" variable in "nexthop: Do not return invalid nexthop object during multipath selection". v1: https://lore.kernel.org/netdev/20230529201914.69828-1-bpoirier@nvidia.com/ --- Benjamin Poirier (4): nexthop: Factor out hash threshold fdb nexthop selection nexthop: Factor out neighbor validity check nexthop: Do not return invalid nexthop object during multipath selection selftests: net: Add test cases for nexthop groups with invalid neighbors net/ipv4/nexthop.c | 61 +++++++++---- tools/testing/selftests/net/fib_nexthops.sh | 129 ++++++++++++++++++++++++++++ 2 files changed, 171 insertions(+), 19 deletions(-) --- base-commit: 36395b2efe905650cd179d67411ffee3b770268b change-id: 20230719-nh_select-0303d55a1fb0 Best regards, -- Benjamin Poirier <bpoirier(a)nvidia.com>

1 year, 11 months

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Re: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning

by kernel test robot

Hi Michał, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.5-rc2 next-20230720] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Micha-Miros-aw/Re-fs-proc-ta… base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/a0b5c6776b2ed91f78a7575649f8b100e58bd3a9.16898810… patch subject: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning config: arc-randconfig-r035-20230720 (https://download.01.org/0day-ci/archive/20230721/202307211030.2CJH6TkM-lkp@…) compiler: arceb-elf-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230721/202307211030.2CJH6TkM-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202307211030.2CJH6TkM-lkp@intel.com/ All errors (new ones prefixed by >>): fs/proc/task_mmu.c: In function 'pagemap_scan_test_walk': fs/proc/task_mmu.c:1921:13: error: implicit declaration of function 'userfaultfd_wp_async'; did you mean 'userfaultfd_wp'? [-Werror=implicit-function-declaration] 1921 | if (userfaultfd_wp_async(vma) && userfaultfd_wp_use_markers(vma)) | ^~~~~~~~~~~~~~~~~~~~ | userfaultfd_wp fs/proc/task_mmu.c: In function 'pagemap_scan_pte_hole': >> fs/proc/task_mmu.c:2200:19: error: implicit declaration of function 'uffd_wp_range' [-Werror=implicit-function-declaration] 2200 | int err = uffd_wp_range(vma, addr, end - addr, true); | ^~~~~~~~~~~~~ fs/proc/task_mmu.c: In function 'pagemap_scan_init_bounce_buffer': fs/proc/task_mmu.c:2290:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 2290 | p->vec_out = (void __user *)p->arg.vec; | ^ fs/proc/task_mmu.c: At top level: fs/proc/task_mmu.c:1967:13: warning: 'pagemap_scan_backout_range' defined but not used [-Wunused-function] 1967 | static void pagemap_scan_backout_range(struct pagemap_scan_private *p, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/uffd_wp_range +2200 fs/proc/task_mmu.c 2182 2183 static int pagemap_scan_pte_hole(unsigned long addr, unsigned long end, 2184 int depth, struct mm_walk *walk) 2185 { 2186 struct pagemap_scan_private *p = walk->private; 2187 struct vm_area_struct *vma = walk->vma; 2188 int ret; 2189 2190 if (!vma || !pagemap_scan_is_interesting_page(p->cur_vma_category, p)) 2191 return 0; 2192 2193 ret = pagemap_scan_output(p->cur_vma_category, p, addr, &end); 2194 if (addr == end) 2195 return ret; 2196 2197 if (~p->arg.flags & PM_SCAN_WP_MATCHING) 2198 return ret; 2199 > 2200 int err = uffd_wp_range(vma, addr, end - addr, true); 2201 if (err < 0) 2202 ret = err; 2203 2204 return ret; 2205 } 2206 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 year, 11 months

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Re: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning

by kernel test robot

Hi Michał, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master v6.5-rc2 next-20230720] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Micha-Miros-aw/Re-fs-proc-ta… base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/a0b5c6776b2ed91f78a7575649f8b100e58bd3a9.16898810… patch subject: Re: fs/proc/task_mmu: Implement IOCTL for efficient page table scanning config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230721/202307210528.2qgK1vwi-lkp@…) compiler: mips-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230721/202307210528.2qgK1vwi-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202307210528.2qgK1vwi-lkp@intel.com/ All warnings (new ones prefixed by >>): fs/proc/task_mmu.c: In function 'pagemap_scan_test_walk': fs/proc/task_mmu.c:1921:13: error: implicit declaration of function 'userfaultfd_wp_async'; did you mean 'userfaultfd_wp'? [-Werror=implicit-function-declaration] 1921 | if (userfaultfd_wp_async(vma) && userfaultfd_wp_use_markers(vma)) | ^~~~~~~~~~~~~~~~~~~~ | userfaultfd_wp fs/proc/task_mmu.c: In function 'pagemap_scan_init_bounce_buffer': >> fs/proc/task_mmu.c:2290:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 2290 | p->vec_out = (void __user *)p->arg.vec; | ^ fs/proc/task_mmu.c: At top level: fs/proc/task_mmu.c:1967:13: warning: 'pagemap_scan_backout_range' defined but not used [-Wunused-function] 1967 | static void pagemap_scan_backout_range(struct pagemap_scan_private *p, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +2290 fs/proc/task_mmu.c 2264 2265 static int pagemap_scan_init_bounce_buffer(struct pagemap_scan_private *p) 2266 { 2267 if (!p->arg.vec_len) { 2268 /* 2269 * An arbitrary non-page-aligned sentinel value for 2270 * pagemap_scan_push_range(). 2271 */ 2272 p->cur_buf.start = p->cur_buf.end = ULLONG_MAX; 2273 return 0; 2274 } 2275 2276 /* 2277 * Allocate a smaller buffer to get output from inside the page 2278 * walk functions and walk the range in PAGEMAP_WALK_SIZE chunks. 2279 * The last range is always stored in p.cur_buf to allow coalescing 2280 * consecutive ranges that have the same categories returned across 2281 * walk_page_range() calls. 2282 */ 2283 p->vec_buf_len = min_t(size_t, PAGEMAP_WALK_SIZE >> PAGE_SHIFT, 2284 p->arg.vec_len - 1); 2285 p->vec_buf = kmalloc_array(p->vec_buf_len, sizeof(*p->vec_buf), 2286 GFP_KERNEL); 2287 if (!p->vec_buf) 2288 return -ENOMEM; 2289 > 2290 p->vec_out = (void __user *)p->arg.vec; 2291 2292 return 0; 2293 } 2294 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 year, 11 months

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