diff options
Diffstat (limited to 'include/linux/mm.h')
-rw-r--r-- | include/linux/mm.h | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 335288bff1b7..fa651609b65d 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h | |||
@@ -834,7 +834,6 @@ extern int mprotect_fixup(struct vm_area_struct *vma, | |||
834 | struct vm_area_struct **pprev, unsigned long start, | 834 | struct vm_area_struct **pprev, unsigned long start, |
835 | unsigned long end, unsigned long newflags); | 835 | unsigned long end, unsigned long newflags); |
836 | 836 | ||
837 | #ifdef CONFIG_HAVE_GET_USER_PAGES_FAST | ||
838 | /* | 837 | /* |
839 | * get_user_pages_fast provides equivalent functionality to get_user_pages, | 838 | * get_user_pages_fast provides equivalent functionality to get_user_pages, |
840 | * operating on current and current->mm (force=0 and doesn't return any vmas). | 839 | * operating on current and current->mm (force=0 and doesn't return any vmas). |
@@ -848,25 +847,6 @@ extern int mprotect_fixup(struct vm_area_struct *vma, | |||
848 | int get_user_pages_fast(unsigned long start, int nr_pages, int write, | 847 | int get_user_pages_fast(unsigned long start, int nr_pages, int write, |
849 | struct page **pages); | 848 | struct page **pages); |
850 | 849 | ||
851 | #else | ||
852 | /* | ||
853 | * Should probably be moved to asm-generic, and architectures can include it if | ||
854 | * they don't implement their own get_user_pages_fast. | ||
855 | */ | ||
856 | #define get_user_pages_fast(start, nr_pages, write, pages) \ | ||
857 | ({ \ | ||
858 | struct mm_struct *mm = current->mm; \ | ||
859 | int ret; \ | ||
860 | \ | ||
861 | down_read(&mm->mmap_sem); \ | ||
862 | ret = get_user_pages(current, mm, start, nr_pages, \ | ||
863 | write, 0, pages, NULL); \ | ||
864 | up_read(&mm->mmap_sem); \ | ||
865 | \ | ||
866 | ret; \ | ||
867 | }) | ||
868 | #endif | ||
869 | |||
870 | /* | 850 | /* |
871 | * A callback you can register to apply pressure to ageable caches. | 851 | * A callback you can register to apply pressure to ageable caches. |
872 | * | 852 | * |