From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Minchan Kim <minchan@kernel.org>,
Brian Geffon <bgeffon@google.com>, Jens Axboe <axboe@kernel.dk>,
linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
linux-mm@kvack.org, Richard Chang <richardycc@google.com>,
David Stevens <stevensd@google.com>,
Sergey Senozhatsky <senozhatsky@chromium.org>
Subject: Re: [PATCH] zram: drop slot trylock and miss_free
Date: Tue, 10 Feb 2026 13:10:28 +0900 [thread overview]
Message-ID: <fkx7xu4nl7olte26x6ra4p4nokc6frnpguc3wkmk45hmqfw3z2@ewyryw3mx54y> (raw)
In-Reply-To: <20260210035045.3817297-1-senozhatsky@chromium.org>
On (26/02/10 12:50), Sergey Senozhatsky wrote:
> Commit e914d8f00391 ("mm: fix unexpected zeroed page
> mapping with zram swap") removed swap_slot_free_notify()
> calls from end_io callbacks. This means that there is
> no more slot_free_notify() from IRQ context and hence
> slot-free cannot deadlock on slot lock any more. Drop
> slot trylock.
Oh, please ignore this patch. I realized it doesn't make sense,
we can drop miss_free, but trylock has to stay.
next prev parent reply other threads:[~2026-02-10 4:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-10 3:50 Sergey Senozhatsky
2026-02-10 4:10 ` Sergey Senozhatsky [this message]
2026-02-10 14:29 ` Matthew Wilcox
2026-02-11 3:07 ` Sergey Senozhatsky
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