From nobody Tue Dec 23 20:07:33 2025 Received: from SHSQR01.spreadtrum.com (mx1.unisoc.com [222.66.158.135]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 016F7627E2 for ; Wed, 31 Jan 2024 08:50:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=222.66.158.135 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706691011; cv=none; b=VCLVws33ZeTEbZX+GqWjoVXvhR4fafbRN5r9xbknTn20opVXQr1GSuJHL/aUAC3KCCPpucn0C7ryJWJn/E4JA77b/Pp+pVByP9uOMKqk6aAPuWQQ3hu+DYS9IIZ/bn6RizEeExm1vHZDu/mNyeTdHgkCJtYTaDjV1KFBogrCUeI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706691011; c=relaxed/simple; bh=hgYrlyum9ghldRfi71BPoPkiLs5SofiKpFQx9coRK/8=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=kpqoD5mIQ3i2FoFrEoIkd5ZSvcX7pYFs/GVBGkmyZQMRiuDSv4zgFW/BpZtAPJXjXAGix2Fd28Ldln8RIXo2NVcC31OcgyuWUwkiyEq4yoSlEPru+JkSNiw2qSGduFdG2E+X28p+oRvvbEgE3Lf3sZ9VTtr1w3XNUzFGN/BRAf0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=unisoc.com; spf=pass smtp.mailfrom=unisoc.com; arc=none smtp.client-ip=222.66.158.135 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=unisoc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=unisoc.com Received: from dlp.unisoc.com ([10.29.3.86]) by SHSQR01.spreadtrum.com with ESMTP id 40V8nuvk032172; Wed, 31 Jan 2024 16:49:56 +0800 (+08) (envelope-from Chunyan.Zhang@unisoc.com) Received: from SHDLP.spreadtrum.com (bjmbx02.spreadtrum.com [10.0.64.8]) by dlp.unisoc.com (SkyGuard) with ESMTPS id 4TPwWv18wkz2SB7BY; Wed, 31 Jan 2024 16:42:19 +0800 (CST) Received: from ubt.spreadtrum.com (10.0.73.88) by BJMBX02.spreadtrum.com (10.0.64.8) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Wed, 31 Jan 2024 16:49:53 +0800 From: Chunyan Zhang To: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Vlastimil Babka , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com> CC: , , Fangzheng Zhang , Fangzheng Zhang , Yuming Han , Chunyan Zhang Subject: [PATCH] mm/slab: Add slabreclaim flag to slabinfo Date: Wed, 31 Jan 2024 16:49:49 +0800 Message-ID: <20240131084949.449740-1-chunyan.zhang@unisoc.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-ClientProxiedBy: SHCAS03.spreadtrum.com (10.0.1.207) To BJMBX02.spreadtrum.com (10.0.64.8) X-MAIL: SHSQR01.spreadtrum.com 40V8nuvk032172 From: Fangzheng Zhang In order to enhance slab debugging, we add slabreclaim flag to slabinfo. Slab type is also an important analysis point in slabinfo for per slab, when various problems such as memory leaks or memory statistics occur. Signed-off-by: Fangzheng Zhang Signed-off-by: Chunyan Zhang --- mm/slab_common.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/mm/slab_common.c b/mm/slab_common.c index 238293b1dbe1..aeeb2bfe6dda 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1038,7 +1038,7 @@ static void print_slabinfo_header(struct seq_file *m) seq_puts(m, "slabinfo - version: 2.1\n"); seq_puts(m, "# name <= objperslab> "); seq_puts(m, " : tunables "); - seq_puts(m, " : slabdata "); + seq_puts(m, " : slabdata <= slabreclaim>"); seq_putc(m, '\n'); } @@ -1071,8 +1071,9 @@ static void cache_show(struct kmem_cache *s, struct s= eq_file *m) seq_printf(m, " : tunables %4u %4u %4u", sinfo.limit, sinfo.batchcount, sinfo.shared); - seq_printf(m, " : slabdata %6lu %6lu %6lu", - sinfo.active_slabs, sinfo.num_slabs, sinfo.shared_avail); + seq_printf(m, " : slabdata %6lu %6lu %6lu %6u", + sinfo.active_slabs, sinfo.num_slabs, sinfo.shared_avail, + !!(s->flags & SLAB_RECLAIM_ACCOUNT)); slabinfo_show_stats(m, s); seq_putc(m, '\n'); } -- 2.43.0 ________________________________ This email (including its attachments) is intended only for the person or = entity to which it is addressed and may contain information that is privile= ged, confidential or otherwise protected from disclosure. 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