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authorJeff Liu <jeff.liu@oracle.com>2012-07-31 16:43:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-31 18:42:43 -0700
commit51a07e50b230d14e1b8bef50d66655d003fa006c (patch)
tree20e79dbe3e7d86f23ff6d877a68eea0c00aabeee /mm/memory.c
parent8e125cd85517c9716695b0abfabc0a4a3fcb94f3 (diff)
downloadlinux-51a07e50b230d14e1b8bef50d66655d003fa006c.tar.gz
mm/memory.c:print_vma_addr(): call up_read(&mm->mmap_sem) directly
Call up_read(&mm->mmap_sem) directly since we have already got mm via current->mm at the beginning of print_vma_addr(). Signed-off-by: Jie Liu <jeff.liu@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 59e5bebc2e3..ec72a616ccd 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3941,7 +3941,7 @@ void print_vma_addr(char *prefix, unsigned long ip)
free_page((unsigned long)buf);
}
}
- up_read(&current->mm->mmap_sem);
+ up_read(&mm->mmap_sem);
}
#ifdef CONFIG_PROVE_LOCKING