Messages in this thread Patch in this message | | | From | k80c <> | Subject | [PATCH 1/1] mmap.c: find_vma: eliminate initial if(mm) check | Date | Sun, 7 Apr 2013 14:48:12 +0530 |
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As per commit 841e31e5cc6219d62054788faa289b6ed682d068, we dont really need this if(mm) check anymore.
A WARN_ON_ONCE was added just for safety, but there have been no bug reports about this so far.
Removing this if(mm) check.
Signed-off-by: k80c <k80ck80c@gmail.com> --- mm/mmap.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/mm/mmap.c b/mm/mmap.c index 0db0de1..b2c363f 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1935,9 +1935,6 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr) { struct vm_area_struct *vma = NULL; - if (WARN_ON_ONCE(!mm)) /* Remove this in linux-3.6 */ - return NULL; - /* Check the cache first. */ /* (Cache hit rate is typically around 35%.) */ vma = ACCESS_ONCE(mm->mmap_cache); -- 1.7.5.4
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