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mm/memory.c: update comment in unmap_single_vma()
author
Davidlohr Bueso
<davidlohr@hp.com>
Mon, 7 Apr 2014 22:37:01 +0000
(15:37 -0700)
committer
Linus Torvalds
<torvalds@linux-foundation.org>
Mon, 7 Apr 2014 23:35:50 +0000
(16:35 -0700)
The described issue now occurs inside mmap_region(). And unfortunately
is still valid.
Signed-off-by: Davidlohr Bueso <davidlohr@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/memory.c
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diff --git
a/mm/memory.c
b/mm/memory.c
index 82c1e4cf00d16644f04f4d36fd72a008ea978ed5..c6ee34d10fcc0b65fe11156655b90f3a6a848cb7 100644
(file)
--- a/
mm/memory.c
+++ b/
mm/memory.c
@@
-1320,9
+1320,9
@@
static void unmap_single_vma(struct mmu_gather *tlb,
* It is undesirable to test vma->vm_file as it
* should be non-null for valid hugetlb area.
* However, vm_file will be NULL in the error
- * cleanup path of
do_mmap_pgoff
. When
+ * cleanup path of
mmap_region
. When
* hugetlbfs ->mmap method fails,
- *
do_mmap_pgoff
() nullifies vma->vm_file
+ *
mmap_region
() nullifies vma->vm_file
* before calling this function to clean up.
* Since no pte has actually been setup, it is
* safe to do nothing in this case.