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Date: Wed, 11 May 2022 16:12:01 -0700 From: Minchan Kim <minchan@...nel.org> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Sultan Alsawaf <sultan@...neltoast.com>, stable@...r.kernel.org, Nitin Gupta <ngupta@...are.org>, Sergey Senozhatsky <senozhatsky@...omium.org>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] zsmalloc: Fix races between asynchronous zspage free and page migration On Wed, May 11, 2022 at 01:43:22PM -0700, Andrew Morton wrote: > On Wed, 11 May 2022 12:50:20 -0700 Sultan Alsawaf <sultan@...neltoast.com> wrote: > > > > Shouldn't the fix be Fixes: 77ff465799c6 ("zsmalloc: zs_page_migrate: skip > > > unnecessary loops but not return -EBUSY if zspage is not inuse)? > > > Because we didn't migrate ZS_EMPTY pages before. > > > > Hi, > > > > Yeah, 77ff465799c6 indeed seems like the commit that introduced the bug. > > I updated the changelog, thanks. Thanhks, Andrew. Feel free to include my Acked-by: Minchan Kim <minchan@...nel.org>
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