From patchwork Mon Jun 8 23:06:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Gushchin X-Patchwork-Id: 11594093 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9CB1D138C for ; Mon, 8 Jun 2020 23:07:05 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5EFF120888 for ; Mon, 8 Jun 2020 23:07:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="Z619Lj0q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5EFF120888 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=fb.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 74A3E6B0002; Mon, 8 Jun 2020 19:07:04 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 6FC636B0005; Mon, 8 Jun 2020 19:07:04 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5EAF66B0006; Mon, 8 Jun 2020 19:07:04 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0196.hostedemail.com [216.40.44.196]) by kanga.kvack.org (Postfix) with ESMTP id 415456B0002 for ; Mon, 8 Jun 2020 19:07:04 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id E48B110415 for ; Mon, 8 Jun 2020 23:07:03 +0000 (UTC) X-FDA: 76907581926.07.bag97_55129d226dbd Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin07.hostedemail.com (Postfix) with ESMTP id B505618044FE5 for ; Mon, 8 Jun 2020 23:07:03 +0000 (UTC) X-Spam-Summary: 2,0,0,cb09f124d3ac7edc,d41d8cd98f00b204,prvs=3428c3563a=guro@fb.com,,RULES_HIT:41:69:355:379:541:800:960:973:988:989:1260:1261:1277:1311:1313:1314:1345:1359:1437:1513:1515:1516:1518:1521:1535:1544:1605:1711:1730:1747:1777:1792:2198:2199:2393:2559:2562:2895:3138:3139:3140:3141:3142:3865:3866:3867:3868:3871:3874:4118:4250:4321:4605:5007:6261:6653:7875:7903:9592:10004:11026:11473:11658:11914:12043:12291:12296:12297:12438:12555:12683:12895:13255:14096:14097:14181:14394:14721:21080:21433:21451:21627:21966:21990:30045:30054:30064:30070,0,RBL:67.231.153.30:@fb.com:.lbl8.mailshell.net-64.201.201.201 62.12.0.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:25,LUA_SUMMARY:none X-HE-Tag: bag97_55129d226dbd X-Filterd-Recvd-Size: 7487 Received: from mx0b-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by imf07.hostedemail.com (Postfix) with ESMTP for ; Mon, 8 Jun 2020 23:07:03 +0000 (UTC) Received: from pps.filterd (m0109331.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 058N56lO019093 for ; Mon, 8 Jun 2020 16:07:02 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=obWZo+sT+nQL9zR0PwE2NJ5Bz0lbnYW9VW54il68KYQ=; b=Z619Lj0qFjvtRhVQLnNT4yRX77G1sjofvjWnsFQU21de5Xdv3sAEfl5uIWwK2qh0Apc6 vA1IG3M9dEbDC9k84AyTPTBXejl9ph2fEbZd0feTrsuNf8AsR7NuemZhy4iDtj1BiOZb 7GkhmEVRVXzzCKtjYJTeyTHUWJtzEKc437s= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com with ESMTP id 31gutgqh2g-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 08 Jun 2020 16:07:02 -0700 Received: from intmgw001.41.prn1.facebook.com (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Mon, 8 Jun 2020 16:07:01 -0700 Received: by devvm1291.vll0.facebook.com (Postfix, from userid 111017) id 2658E1D8FE3C; Mon, 8 Jun 2020 16:07:00 -0700 (PDT) Smtp-Origin-Hostprefix: devvm From: Roman Gushchin Smtp-Origin-Hostname: devvm1291.vll0.facebook.com To: Andrew Morton , Christoph Lameter CC: Johannes Weiner , Michal Hocko , Shakeel Butt , , Vlastimil Babka , , , Roman Gushchin Smtp-Origin-Cluster: vll0c01 Subject: [PATCH v6 01/19] mm: memcg: factor out memcg- and lruvec-level changes out of __mod_lruvec_state() Date: Mon, 8 Jun 2020 16:06:36 -0700 Message-ID: <20200608230654.828134-2-guro@fb.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200608230654.828134-1-guro@fb.com> References: <20200608230654.828134-1-guro@fb.com> MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.687 definitions=2020-06-08_18:2020-06-08,2020-06-08 signatures=0 X-Proofpoint-Spam-Details: rule=fb_default_notspam policy=fb_default score=0 clxscore=1015 impostorscore=0 adultscore=0 spamscore=0 phishscore=0 malwarescore=0 suspectscore=0 priorityscore=1501 lowpriorityscore=0 mlxlogscore=937 mlxscore=0 bulkscore=0 cotscore=-2147483648 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006080160 X-FB-Internal: deliver X-Rspamd-Queue-Id: B505618044FE5 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: To convert memcg and lruvec slab counters to bytes there must be a way to change these counters without touching node counters. Factor out __mod_memcg_lruvec_state() out of __mod_lruvec_state(). Signed-off-by: Roman Gushchin Acked-by: Johannes Weiner Reviewed-by: Vlastimil Babka Reviewed-by: Shakeel Butt --- include/linux/memcontrol.h | 17 +++++++++++++++ mm/memcontrol.c | 43 +++++++++++++++++++++----------------- 2 files changed, 41 insertions(+), 19 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index bbf624a7f5a6..93dbc7f9d8b8 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -679,11 +679,23 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec, return x; } +void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, + int val); void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, int val); void __mod_lruvec_slab_state(void *p, enum node_stat_item idx, int val); void mod_memcg_obj_state(void *p, int idx, int val); +static inline void mod_memcg_lruvec_state(struct lruvec *lruvec, + enum node_stat_item idx, int val) +{ + unsigned long flags; + + local_irq_save(flags); + __mod_memcg_lruvec_state(lruvec, idx, val); + local_irq_restore(flags); +} + static inline void mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, int val) { @@ -1057,6 +1069,11 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec, return node_page_state(lruvec_pgdat(lruvec), idx); } +static inline void __mod_memcg_lruvec_state(struct lruvec *lruvec, + enum node_stat_item idx, int val) +{ +} + static inline void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, int val) { diff --git a/mm/memcontrol.c b/mm/memcontrol.c index bbda19c13c19..e8a91e98556b 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -713,30 +713,13 @@ parent_nodeinfo(struct mem_cgroup_per_node *pn, int nid) return mem_cgroup_nodeinfo(parent, nid); } -/** - * __mod_lruvec_state - update lruvec memory statistics - * @lruvec: the lruvec - * @idx: the stat item - * @val: delta to add to the counter, can be negative - * - * The lruvec is the intersection of the NUMA node and a cgroup. This - * function updates the all three counters that are affected by a - * change of state at this level: per-node, per-cgroup, per-lruvec. - */ -void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, - int val) +void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, + int val) { - pg_data_t *pgdat = lruvec_pgdat(lruvec); struct mem_cgroup_per_node *pn; struct mem_cgroup *memcg; long x; - /* Update node */ - __mod_node_page_state(pgdat, idx, val); - - if (mem_cgroup_disabled()) - return; - pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec); memcg = pn->memcg; @@ -748,6 +731,7 @@ void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, x = val + __this_cpu_read(pn->lruvec_stat_cpu->count[idx]); if (unlikely(abs(x) > MEMCG_CHARGE_BATCH)) { + pg_data_t *pgdat = lruvec_pgdat(lruvec); struct mem_cgroup_per_node *pi; for (pi = pn; pi; pi = parent_nodeinfo(pi, pgdat->node_id)) @@ -757,6 +741,27 @@ void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, __this_cpu_write(pn->lruvec_stat_cpu->count[idx], x); } +/** + * __mod_lruvec_state - update lruvec memory statistics + * @lruvec: the lruvec + * @idx: the stat item + * @val: delta to add to the counter, can be negative + * + * The lruvec is the intersection of the NUMA node and a cgroup. This + * function updates the all three counters that are affected by a + * change of state at this level: per-node, per-cgroup, per-lruvec. + */ +void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, + int val) +{ + /* Update node */ + __mod_node_page_state(lruvec_pgdat(lruvec), idx, val); + + /* Update memcg and lruvec */ + if (!mem_cgroup_disabled()) + __mod_memcg_lruvec_state(lruvec, idx, val); +} + void __mod_lruvec_slab_state(void *p, enum node_stat_item idx, int val) { pg_data_t *pgdat = page_pgdat(virt_to_page(p));