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bh=rrBXrUQcOcOTfzP6wbCiHxJahN45dpxh528Z+9Tu99c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IKLmrhNRyFpezR6tHva6Ees7rZuSKc0N0nyLKOJD3tv0og7n2NYCkDAc0s1hn5cD2 qppUXEm6W+5Nc7RkxNuv1tnVLIMYEsrk8j90cZCgRmn8OEkfDYQseFUgMBuNOxn2VE mP8chhFgjdlCaW8uO01M1rQ2v+nvFzyZ5UVm1cM8= Date: Tue, 22 Sep 2026 10:47:49 +0100 From: Catalin Marinas To: Breno Leitao Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH 1/2] mm: kmemleak: move the struct page scan into a helper Message-ID: References: <20260921-b4-kmemleak-page-scan-v1-0-fb97d4801b3a@debian.org> <20260921-b4-kmemleak-page-scan-v1-1-fb97d4801b3a@debian.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260921-b4-kmemleak-page-scan-v1-1-fb97d4801b3a@debian.org> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 87CD9180008 X-Stat-Signature: iw7bzr5pcmnhdx8111b5zpianmrzckpe X-Rspam-User: X-HE-Tag: 1790070474-434473 X-HE-Meta: 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 TM9QWQzj 7QOT1cTDpQu/hrops/A+ll62o3IIam5X/5a+ioYCaljXErBiy/7bxckKNcBeiyncG+l+zFrcBTIDveUqLVFvHXpeCsdlQv2SzP7MJShyZRVmIMocu/JR0eOMUtggBlhUuHhBPqONp1NJPtA/Bwz7rIXofnKzQHn3jDB06Y+1t87zjWa7dYiVF5lFTfjl7ftYIQDyW8hX1+UPsXkrgcr4w2JkHGSdDduP3Sbdy0n5UAc5IA7z5d3bbfE8bI3f2mKOVh/5FyNeocWimHzSC7zJcb5+HfSOg+7eMOVJSdH2hNxMSvo5DAUqvT6mRfg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Sep 21, 2026 at 05:30:26AM -0700, Breno Leitao wrote: > The struct page scanning loop sits inline in __kmemleak_scan(), nested > three levels deep and sharing the caller's "stop" variable with the > zone walk around it. Move it into scan_zone_pages(), which scans one > zone and returns 1 if scanning should stop. > > No functional change; this only makes room for changing how the pages > are handed to scan_block(). > > Signed-off-by: Breno Leitao Reviewed-by: Catalin Marinas