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| author | Chen Gang <gang.chen.5i5j@gmail.com> | 2016-01-14 15:18:27 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-14 16:00:49 -0800 |
| commit | 0b57d6ba0bd11a41a791cf6c5bbf3b55630dc70f (patch) | |
| tree | 7ef82cb97aa0be9d50269b29098a77e4d12e0451 | |
| parent | ab7a5af7fd9cc38576b432690367bbabc8da99b2 (diff) | |
| download | linux-0b57d6ba0bd11a41a791cf6c5bbf3b55630dc70f.tar.bz2 | |
mm/mmap.c: remove redundant local variables for may_expand_vm()
Simplify may_expand_vm().
[akpm@linux-foundation.org: further simplification, per Naoya Horiguchi]
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/mmap.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 2ce04a649f6b..9da9c27c33a2 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2988,14 +2988,7 @@ out: */ int may_expand_vm(struct mm_struct *mm, unsigned long npages) { - unsigned long cur = mm->total_vm; /* pages */ - unsigned long lim; - - lim = rlimit(RLIMIT_AS) >> PAGE_SHIFT; - - if (cur + npages > lim) - return 0; - return 1; + return mm->total_vm + npages <= rlimit(RLIMIT_AS) >> PAGE_SHIFT; } static int special_mapping_fault(struct vm_area_struct *vma, |