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Message-Id: <20140429144740.0666b2b6ff4c7c6f02a4b301@canb.auug.org.au>
Date: Tue, 29 Apr 2014 14:47:40 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
Davidlohr Bueso <davidlohr@...com>,
Linus <torvalds@...ux-foundation.org>
Subject: linux-next: manual merge of the akpm-current tree with Linus' tree
Hi Andrew,
Today's linux-next merge of the akpm-current tree got a conflict in
mm/vmacache.c between commit 50f5aa8a9b24 ("mm: don't pointlessly use
BUG_ON() for sanity check") from Linus' tree and commit 8beba5473820
("mm,vmacache: add debug data") from the akpm-current tree.
I fixed it up (see below) and can carry the fix as necessary (no action
is required).
--
Cheers,
Stephen Rothwell sfr@...b.auug.org.au
diff --cc mm/vmacache.c
index 1037a3bab505,61c38ae9f54b..000000000000
--- a/mm/vmacache.c
+++ b/mm/vmacache.c
@@@ -81,12 -93,11 +93,14 @@@ struct vm_area_struct *vmacache_find(st
for (i = 0; i < VMACACHE_SIZE; i++) {
struct vm_area_struct *vma = current->vmacache[i];
- if (vma && vma->vm_start <= addr && vma->vm_end > addr) {
- BUG_ON(vma->vm_mm != mm);
+ if (!vma)
+ continue;
+ if (WARN_ON_ONCE(vma->vm_mm != mm))
+ break;
- if (vma->vm_start <= addr && vma->vm_end > addr)
++ if (vma->vm_start <= addr && vma->vm_end > addr) {
+ count_vm_vmacache_event(VMACACHE_FIND_HITS);
return vma;
+ }
}
return NULL;
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