On Tue, Feb 27, 2024 at 05:04:19PM +0800, Chengming Zhou wrote: > On 2024/2/27 16:54, Greg KH wrote: > > 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? > > Ah, for linux-6.7.y. I forgot to use your command line to send patch... Thanks, both now queued up. greg k-h