The patch titled
Subject: fork: use vma_pages() to simplify the code
has been added to the -mm tree. Its filename is
fork-use-vma_pages-to-simplify-the-code.patch
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From: Huang Shijie <shijie8@xxxxxxxxx>
Subject: fork: use vma_pages() to simplify the code
The current code can be replaced by vma_pages(). So use it to simplify
the code.
Signed-off-by: Huang Shijie <shijie8@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/fork.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/fork.c~fork-use-vma_pages-to-simplify-the-code kernel/fork.c
--- a/kernel/fork.c~fork-use-vma_pages-to-simplify-the-code
+++ a/kernel/fork.c
@@ -384,7 +384,7 @@ static int dup_mmap(struct mm_struct *mm
charge = 0;
if (mpnt->vm_flags & VM_ACCOUNT) {
unsigned long len;
- len = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT;
+ len = vma_pages(mpnt);
if (security_vm_enough_memory_mm(oldmm, len)) /* sic */
goto fail_nomem;
charge = len;
_
Subject: Subject: fork: use vma_pages() to simplify the code
Patches currently in -mm which might be from shijie8@xxxxxxxxx are
linux-next.patch
mm-account-the-total_vm-in-the-vm_stat_account.patch
fork-use-vma_pages-to-simplify-the-code.patch
fork-use-vma_pages-to-simplify-the-code-fix.patch
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