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| author | Andrew Morton <akpm@linux-foundation.org> | 2018-08-21 21:53:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-22 10:52:44 -0700 |
| commit | a670468f5e0b5fad4db6e4d195f15915dc2a35c1 (patch) | |
| tree | 57540edd0f9f24335154139c17695a13b594fe58 /mm/mempolicy.c | |
| parent | a3bf6ce366496016990d8578af74673ea04178ff (diff) | |
| download | linux-a670468f5e0b5fad4db6e4d195f15915dc2a35c1.tar.gz | |
mm: zero out the vma in vma_init()
Rather than in vm_area_alloc(). To ensure that the various oddball
stack-based vmas are in a good state. Some of the callers were zeroing
them out, others were not.
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mempolicy.c')
| -rw-r--r-- | mm/mempolicy.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 01f1a14facc461..4861ba738d6fc6 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2504,7 +2504,6 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol) goto put_new; /* Create pseudo-vma that contains just the policy */ - memset(&pvma, 0, sizeof(struct vm_area_struct)); vma_init(&pvma, NULL); pvma.vm_end = TASK_SIZE; /* policy covers entire file */ mpol_set_shared_policy(sp, &pvma, new); /* adds ref */ |