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;
}
-ss
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