Hey, Sergey,
On Thu, Mar 16, 2017 at 01:40:23PM +0900, Sergey Senozhatsky wrote:
> Hello,
>
>
> On (03/15/17 14:24), Minchan Kim wrote:
> > There is no user for it. Remove it.
> >
>
> there is one.
>
> mm/rmap.c
>
> try_to_unmap_one()
> ...
> if (unlikely(PageSwapBacked(page) != PageSwapCache(page))) {
> WARN_ON_ONCE(1);
> ret = SWAP_FAIL;
> page_vma_mapped_walk_done(&pvmw);
> break;
> }
"There is no user for it"
I was liar so need to be a honest guy.
Thanks, Sergey!
Andrew, Please make me honest. Sorry about that.
>From 286eae763d145338dc6c437258a741f293fab609 Mon Sep 17 00:00:00 2001
From: Minchan Kim <minchan@xxxxxxxxxx>
Date: Thu, 16 Mar 2017 14:20:42 +0900
Subject: [PATCH] mm: use false instead of SWAP_FAIL
There was mistake with git-rebase.
SWAP_FAIL was removed. Use false.
It could be folded into mm-make-ttus-return-boolean.patch.
Reported-by: Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>
Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
---
mm/rmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/rmap.c b/mm/rmap.c
index aa25fde..2422758 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1414,7 +1414,7 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
*/
if (unlikely(PageSwapBacked(page) != PageSwapCache(page))) {
WARN_ON_ONCE(1);
- ret = SWAP_FAIL;
+ ret = false;
page_vma_mapped_walk_done(&pvmw);
break;
}
--
2.7.4
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