Re: [PATCH v2 10/10] mm: remove SWAP_[SUCCESS|AGAIN|FAIL]

[Minchan Kim]

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.