On Tue, Feb 27, 2024 at 02:26:54AM +0000, chengming.zhou@xxxxxxxxx wrote: > From: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> > > We have to invalidate any duplicate entry even when !zswap_enabled since > zswap can be disabled anytime. If the folio store success before, then > got dirtied again but zswap disabled, we won't invalidate the old > duplicate entry in the zswap_store(). So later lru writeback may > overwrite the new data in swapfile. > > Link: https://lkml.kernel.org/r/20240208023254.3873823-1-chengming.zhou@xxxxxxxxx > Fixes: 42c06a0e8ebe ("mm: kill frontswap") > Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx> > Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx> > Cc: Nhat Pham <nphamcs@xxxxxxxxx> > Cc: Yosry Ahmed <yosryahmed@xxxxxxxxxx> > Cc: <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > (cherry picked from commit 678e54d4bb9a4822f8ae99690ac131c5d490cdb1) What tree is this for?
