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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1783357843; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=O8B4kLd9O4yTubQHP6cxhqJtyGSLfRF2Xu8qr9txj38=; b=jp/aWUSgAz66O8jyAVernzctnnaGA5zaWiqwTWPjEwmghu3+EwHNEA3IgUk4FM+7ghh5o6 QzLKKdUmDlvGk+bUmK1Xzn15aSRkeL23VIUUMGJ8RAc8U1StucG3/xf7C9lUHANhuAbfh5 AEqtfZIE5Pf3iXapFCqOsIqg7RzHT7o= From: Usama Arif To: Nico Pache Cc: Usama Arif , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andrew Morton , David Hildenbrand , Lorenzo Stoakes , Zi Yan , Baolin Wang , "Liam R. Howlett" , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jonathan Corbet , Shuah Khan Subject: Re: [PATCH 3/8] mm/khugepaged: introduce a count_collapse_event() helper Date: Mon, 6 Jul 2026 10:10:31 -0700 Message-ID: <20260706171032.3487318-1-usama.arif@linux.dev> In-Reply-To: <20260706154500.39178-4-npache@redhat.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 1A31740006 X-Stat-Signature: tfiwjo4qze9fir6anaxg4kutznogt1os X-HE-Tag: 1783357844-11741 X-HE-Meta: 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 c5CawyYe OMJirh5zseQs+2zFkNhfacXMRKM6oee476hQ8i2/H+Pk+w5kisf6a5NXjo5RombOLUvyIUHpQF2JntFDPjIJIoibhUr4cNnUZNmmKsS4DkT/V890sv/dX6UuMn6gMY5t1p5ck3Rf+h5aBmAUHbI7ckfJ9SV9/yX6LlpdvtCeOaeXFf7ru+SdeJYtIVoNfYRVIXaDMfMivg4rsE9LeNFa4jbYur/oebWSP1JnUzb3s8ZM+Y+K12jUrtlMuavGysk/EyEpnXSQqIJiqdcE= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, 6 Jul 2026 09:44:50 -0600 Nico Pache wrote: > Provide a simple helper function to help reduce a often used, and > duplicate pattern across the khugepaged code. > > When collapsing to a PMD we need to record a vm_event and the mTHP_stat > event. When doing mTHP collapse we only update the mTHP stat. > > Signed-off-by: Nico Pache > --- > mm/khugepaged.c | 36 ++++++++++++++++++------------------ > 1 file changed, 18 insertions(+), 18 deletions(-) > Acked-by: Usama Arif