diff options
author | Ira Weiny <ira.weiny@intel.com> | 2019-02-10 17:34:24 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2019-02-11 02:20:40 -0500 |
commit | ad8cfb9c42ef83ecf4079bc7d77e6557648e952b (patch) | |
tree | 23162cd4c371ff5f8f70773365b3764ae0bbe2ae /mm | |
parent | d13937116f1e82bf508a6325111b322c30c85eb9 (diff) |
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>
Diffstat (limited to 'mm')
-rw-r--r-- | mm/gup.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -1786,7 +1786,7 @@ static void gup_pgd_range(unsigned long addr, unsigned long end, | |||
1786 | * Check if it's allowed to use __get_user_pages_fast() for the range, or | 1786 | * Check if it's allowed to use __get_user_pages_fast() for the range, or |
1787 | * we need to fall back to the slow version: | 1787 | * we need to fall back to the slow version: |
1788 | */ | 1788 | */ |
1789 | bool gup_fast_permitted(unsigned long start, int nr_pages, int write) | 1789 | bool gup_fast_permitted(unsigned long start, int nr_pages) |
1790 | { | 1790 | { |
1791 | unsigned long len, end; | 1791 | unsigned long len, end; |
1792 | 1792 | ||
@@ -1828,7 +1828,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, | |||
1828 | * block IPIs that come from THPs splitting. | 1828 | * block IPIs that come from THPs splitting. |
1829 | */ | 1829 | */ |
1830 | 1830 | ||
1831 | if (gup_fast_permitted(start, nr_pages, write)) { | 1831 | if (gup_fast_permitted(start, nr_pages)) { |
1832 | local_irq_save(flags); | 1832 | local_irq_save(flags); |
1833 | gup_pgd_range(start, end, write, pages, &nr); | 1833 | gup_pgd_range(start, end, write, pages, &nr); |
1834 | local_irq_restore(flags); | 1834 | local_irq_restore(flags); |
@@ -1870,7 +1870,7 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, | |||
1870 | if (unlikely(!access_ok((void __user *)start, len))) | 1870 | if (unlikely(!access_ok((void __user *)start, len))) |
1871 | return -EFAULT; | 1871 | return -EFAULT; |
1872 | 1872 | ||
1873 | if (gup_fast_permitted(start, nr_pages, write)) { | 1873 | if (gup_fast_permitted(start, nr_pages)) { |
1874 | local_irq_disable(); | 1874 | local_irq_disable(); |
1875 | gup_pgd_range(addr, end, write, pages, &nr); | 1875 | gup_pgd_range(addr, end, write, pages, &nr); |
1876 | local_irq_enable(); | 1876 | local_irq_enable(); |