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mm/memory.c:print_vma_addr(): call up_read(&mm->mmap_sem) directly

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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>
This commit is contained in:
Jeff Liu 2012-07-31 16:43:18 -07:00 committed by Linus Torvalds
parent 8e125cd855
commit 51a07e50b2
1 changed files with 1 additions and 1 deletions
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2
mm/memory.c
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@ -3941,7 +3941,7 @@ void print_vma_addr(char *prefix, unsigned long ip)
free_page((unsigned long)buf); free_page((unsigned long)buf);
} }
} }
up_read(&current->mm->mmap_sem); up_read(&mm->mmap_sem);
} }
#ifdef CONFIG_PROVE_LOCKING #ifdef CONFIG_PROVE_LOCKING