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Commit 0b57d6ba authored by Chen Gang's avatar Chen Gang Committed by Linus Torvalds
Browse files

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: default avatarChen Gang <gang.chen.5i5j@gmail.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ab7a5af7

mm/mmap.c

+1 −8
Original line number Diff line number Diff line
@@ -2988,14 +2988,7 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap, 
 */

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,