From: Catalin Marinas <catalin.marinas@arm.com>
To: Breno Leitao <leitao@debian.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
oleg@redhat.com, kernel-team@meta.com
Subject: Re: [PATCH] mm/kmemleak: skip the remaining scan phases when interrupted
Date: Sat, 27 Jun 2026 14:41:41 +0100 [thread overview]
Message-ID: <aj_TFZEniVULJKQ4@arm.com> (raw)
In-Reply-To: <20260626-kmemleak_improve-v1-1-d40c7616f64f@debian.org>
On Fri, Jun 26, 2026 at 10:56:23AM -0700, Breno Leitao wrote:
> kmemleak_scan() scans the per-cpu sections, the struct page ranges and
> the task stacks in sequence. Each loop now bails out once scan_block()
> reports the scan was interrupted, but the later phases are still entered
> and only bail on their first scan_block() call.
>
> Jump straight to the gray list scan once a phase reports an interrupted
> scan, so the remaining scan phases are not entered at all. This does not
> change the scan results, it only avoids the pointless re-entry.
>
> Suggested-by: Oleg Nesterov <oleg@redhat.com>
> Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
prev parent reply other threads:[~2026-06-27 13:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-26 17:56 [PATCH] mm/kmemleak: skip the remaining scan phases when interrupted Breno Leitao
2026-06-27 13:41 ` Catalin Marinas [this message]
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