From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
Hungyu Lin <dennylin0707@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jan Kara <jack@suse.cz>, Gregory Price <gourry@gourry.net>,
Matthew Wilcox <willy@infradead.org>,
Stefan Roesch <shr@devkernel.io>
Subject: Re: [PATCH 6.12.y] mm/page-writeback: avoid 32-bit overflow in dirty threshold shares
Date: Thu, 12 Nov 2026 21:33:27 -0500 [thread overview]
Message-ID: <daily-reply-2026-11-12-8298852871@kernel.org> (raw)
In-Reply-To: <20261112083705.6165-1-dennylin0707@gmail.com>
On 2026-11-12, Hungyu Lin wrote:
> [PATCH 6.12.y] mm/page-writeback: avoid 32-bit overflow in dirty threshold shares
> The ratios used by __wb_calc_thresh() are scaled to parts per million, but
> the threshold and ratio operands are unsigned long. On 32-bit kernels,
> their multiplication can wrap before the result is assigned to u64.
Queued for 6.12 and 6.6, thanks.
--
Thanks,
Sasha
prev parent reply other threads:[~2026-11-13 2:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-10 1:07 FAILED: patch "[PATCH] mm/page-writeback: avoid 32-bit overflow in dirty threshold shares" failed to apply to 6.12-stable tree Sasha Levin
2026-11-12 8:37 ` [PATCH 6.12.y] mm/page-writeback: avoid 32-bit overflow in dirty threshold shares Hungyu Lin
2026-11-13 2:33 ` Sasha Levin [this message]
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