From: Johannes Weiner <hannes@cmpxchg.org>
To: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Chengming Zhou <chengming.zhou@linux.dev>,
Yosry Ahmed <yosryahmed@google.com>,
Nhat Pham <nphamcs@gmail.com>,
linux-mm@kvack.org
Subject: Re: zswap doing io in GFP_NOIO reclaim context
Date: Thu, 21 Mar 2024 13:35:50 -0400 [thread overview]
Message-ID: <CA+mpNMkryHd7ZnrxFmb=bRD_2HTuUpSH4OWisDq9q+noCw17sw@mail.gmail.com> (raw)
In-Reply-To: <dvhajcs3ywifxhbho6p2zj3jjh4ro6wwoieajs2lxjv77bdgqc@5vaxwpqcyxim>
On Thu, Mar 21, 2024 at 12:45 PM Kent Overstreet
<kent.overstreet@linux.dev> wrote:
> On Thu, Mar 21, 2024 at 11:17:57AM -0400, Johannes Weiner wrote:
> > But the shrinker directly calls __swap_writepage(), which will submit
> > IO, and may even enter the fs. We definitely have to filter for that:
>
> Are you applying the fix? You're listed as maintainer
Yeah, I'll send a proper fix to Andrew, who routes MM patches, later today.
Do you want somebody in particular on the Reported-by?
next prev parent reply other threads:[~2024-03-21 17:36 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-21 3:54 Kent Overstreet
2024-03-21 5:16 ` Chengming Zhou
2024-03-21 15:17 ` Johannes Weiner
2024-03-21 16:45 ` Kent Overstreet
2024-03-21 17:35 ` Johannes Weiner [this message]
2024-03-21 18:51 ` Kent Overstreet
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