Hi Charlie,
Le 29/08/2024 à 09:15, Charlie Jenkins a écrit :
The hint address and mmap_flags are necessary to determine if MAP_BELOW_HINT requirements are satisfied.
Signed-off-by: Charlie Jenkins charlie@rivosinc.com
arch/alpha/kernel/osf_sys.c | 2 ++ arch/arc/mm/mmap.c | 3 +++ arch/arm/mm/mmap.c | 7 +++++++ arch/csky/abiv1/mmap.c | 3 +++ arch/loongarch/mm/mmap.c | 3 +++ arch/mips/mm/mmap.c | 3 +++ arch/parisc/kernel/sys_parisc.c | 3 +++ arch/powerpc/mm/book3s64/slice.c | 7 +++++++ arch/s390/mm/hugetlbpage.c | 4 ++++ arch/s390/mm/mmap.c | 6 ++++++ arch/sh/mm/mmap.c | 6 ++++++ arch/sparc/kernel/sys_sparc_32.c | 3 +++ arch/sparc/kernel/sys_sparc_64.c | 6 ++++++ arch/sparc/mm/hugetlbpage.c | 4 ++++ arch/x86/kernel/sys_x86_64.c | 6 ++++++ arch/x86/mm/hugetlbpage.c | 4 ++++ fs/hugetlbfs/inode.c | 4 ++++ include/linux/mm.h | 2 ++ mm/mmap.c | 6 ++++++ 19 files changed, 82 insertions(+)
diff --git a/arch/powerpc/mm/book3s64/slice.c b/arch/powerpc/mm/book3s64/slice.c index ef3ce37f1bb3..f0e2550af6d0 100644 --- a/arch/powerpc/mm/book3s64/slice.c +++ b/arch/powerpc/mm/book3s64/slice.c @@ -286,6 +286,10 @@ static unsigned long slice_find_area_bottomup(struct mm_struct *mm, .length = len, .align_mask = PAGE_MASK & ((1ul << pshift) - 1), };
- info.hint = addr;
- info.mmap_flags = flags;
- /*
*/
- Check till the allow max value for this mmap request
@@ -331,6 +335,9 @@ static unsigned long slice_find_area_topdown(struct mm_struct *mm, }; unsigned long min_addr = max(PAGE_SIZE, mmap_min_addr);
- info.hint = addr;
- info.mmap_flags = flags;
- /*
- If we are trying to allocate above DEFAULT_MAP_WINDOW
- Add the different to the mmap_base.
ppc64_defconfig:
CC arch/powerpc/mm/book3s64/slice.o arch/powerpc/mm/book3s64/slice.c: In function 'slice_find_area_bottomup': arch/powerpc/mm/book3s64/slice.c:291:27: error: 'flags' undeclared (first use in this function) 291 | info.mmap_flags = flags; | ^~~~~ arch/powerpc/mm/book3s64/slice.c:291:27: note: each undeclared identifier is reported only once for each function it appears in arch/powerpc/mm/book3s64/slice.c: In function 'slice_find_area_topdown': arch/powerpc/mm/book3s64/slice.c:339:27: error: 'flags' undeclared (first use in this function) 339 | info.mmap_flags = flags; | ^~~~~ make[5]: *** [scripts/Makefile.build:244: arch/powerpc/mm/book3s64/slice.o] Error 1