From: Ira Weiny ira.weiny@intel.com
commit ad8cfb9c42ef83ecf4079bc7d77e6557648e952b upstream.
The 'write' parameter is unused in gup_fast_permitted() so remove it.
Signed-off-by: Ira Weiny ira.weiny@intel.com Acked-by: Kirill A. Shutemov kirill.shutemov@linux.intel.com Reviewed-by: Thomas Gleixner tglx@linutronix.de Cc: Andrew Morton akpm@linux-foundation.org Cc: Borislav Petkov bp@alien8.de Cc: Dan Williams dan.j.williams@intel.com Cc: Dave Hansen dave.hansen@intel.com Cc: Linus Torvalds torvalds@linux-foundation.org Cc: Peter Zijlstra peterz@infradead.org Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20190210223424.13934-1-ira.weiny@intel.com Signed-off-by: Ingo Molnar mingo@kernel.org Cc: Justin Forbes jmforbes@linuxtx.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/x86/include/asm/pgtable_64.h | 3 +-- mm/gup.c | 6 +++--- 2 files changed, 4 insertions(+), 5 deletions(-)
--- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -259,8 +259,7 @@ extern void init_extra_mapping_uc(unsign extern void init_extra_mapping_wb(unsigned long phys, unsigned long size);
#define gup_fast_permitted gup_fast_permitted -static inline bool gup_fast_permitted(unsigned long start, int nr_pages, - int write) +static inline bool gup_fast_permitted(unsigned long start, int nr_pages) { unsigned long len, end;
--- a/mm/gup.c +++ b/mm/gup.c @@ -1811,7 +1811,7 @@ static void gup_pgd_range(unsigned long * Check if it's allowed to use __get_user_pages_fast() for the range, or * we need to fall back to the slow version: */ -bool gup_fast_permitted(unsigned long start, int nr_pages, int write) +bool gup_fast_permitted(unsigned long start, int nr_pages) { unsigned long len, end;
@@ -1853,7 +1853,7 @@ int __get_user_pages_fast(unsigned long * block IPIs that come from THPs splitting. */
- if (gup_fast_permitted(start, nr_pages, write)) { + if (gup_fast_permitted(start, nr_pages)) { local_irq_save(flags); gup_pgd_range(start, end, write, pages, &nr); local_irq_restore(flags); @@ -1895,7 +1895,7 @@ int get_user_pages_fast(unsigned long st if (unlikely(!access_ok((void __user *)start, len))) return -EFAULT;
- if (gup_fast_permitted(start, nr_pages, write)) { + if (gup_fast_permitted(start, nr_pages)) { local_irq_disable(); gup_pgd_range(addr, end, write, pages, &nr); local_irq_enable();