diff options
| author | Ira Weiny <ira.weiny@intel.com> | 2019-02-10 23:34:24 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-02-11 08:20:40 +0100 |
| commit | ad8cfb9c42ef83ecf4079bc7d77e6557648e952b (patch) | |
| tree | 23162cd4c371ff5f8f70773365b3764ae0bbe2ae | |
| parent | Linux 5.0-rc6 (diff) | |
| download | linux-ad8cfb9c42ef83ecf4079bc7d77e6557648e952b.tar.xz linux-ad8cfb9c42ef83ecf4079bc7d77e6557648e952b.zip | |
mm/gup: Remove the 'write' parameter from gup_fast_permitted()
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>
| -rw-r--r-- | arch/x86/include/asm/pgtable_64.h | 3 | ||||
| -rw-r--r-- | mm/gup.c | 6 |
2 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 9c85b54bf03c..0bb566315621 100644 --- 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(unsigned long phys, unsigned long size); 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; @@ -1786,7 +1786,7 @@ static void gup_pgd_range(unsigned long addr, unsigned long end, * 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; @@ -1828,7 +1828,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, * 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); @@ -1870,7 +1870,7 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, 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(); |