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Commit b2412b7f authored by Huang Shijie's avatar Huang Shijie Committed by Linus Torvalds
Browse files

fork: use vma_pages() to simplify the code 



The current code can be replaced by vma_pages().  So use it to simplify
the code.

[akpm@linux-foundation.org: initialise `len' at its definition site]
Signed-off-by: default avatarHuang Shijie <shijie8@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bc452b4b

kernel/fork.c

+2 −2
Original line number Diff line number Diff line
@@ -391,8 +391,8 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) 
		}

		charge = 0;

		if (mpnt->vm_flags & VM_ACCOUNT) {

			unsigned long len;

			len = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT;

			unsigned long len = vma_pages(mpnt);



			if (security_vm_enough_memory_mm(oldmm, len)) /* sic */

				goto fail_nomem;

			charge = len;