From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 894F8ECAAD3 for ; Thu, 1 Sep 2022 23:41:04 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 105A780086; Thu, 1 Sep 2022 19:41:04 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 08E368000D; Thu, 1 Sep 2022 19:41:04 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E9AF480086; Thu, 1 Sep 2022 19:41:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id DAD208000D for ; Thu, 1 Sep 2022 19:41:03 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id AEC8EA051F for ; Thu, 1 Sep 2022 23:41:03 +0000 (UTC) X-FDA: 79865139606.26.99503EB Received: from out2.migadu.com (out2.migadu.com [188.165.223.204]) by imf18.hostedemail.com (Postfix) with ESMTP id 369471C004E for ; Thu, 1 Sep 2022 23:41:03 +0000 (UTC) Date: Thu, 1 Sep 2022 16:40:36 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1662075661; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VCjuzNKAQwi4WscZTTheCwWMDo51dWnYKGYDxlIvOxM=; b=B9gaPrqoM9PK1lD+hEX/op7qHNl+aw6jdPSVrB1+SupdzgrKuElns2pV73ErXthR33K4/r Csn8Bq+pn89vebEyMD7KRNTie0fIVFpBfkYpm+nAJ89w7k+b02t9MZ2ViDAd0K6/czkU7+ 8O6NPwDmFvimrwGJf/eHTnN/ekV1fK4= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Roman Gushchin To: Suren Baghdasaryan Cc: akpm@linux-foundation.org, kent.overstreet@linux.dev, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, void@manifault.com, peterz@infradead.org, juri.lelli@redhat.com, ldufour@linux.ibm.com, peterx@redhat.com, david@redhat.com, axboe@kernel.dk, mcgrof@kernel.org, masahiroy@kernel.org, nathan@kernel.org, changbin.du@intel.com, ytcoode@gmail.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com, vschneid@redhat.com, cl@linux.com, penberg@kernel.org, iamjoonsoo.kim@lge.com, 42.hyeyoo@gmail.com, glider@google.com, elver@google.com, dvyukov@google.com, shakeelb@google.com, songmuchun@bytedance.com, arnd@arndb.de, jbaron@akamai.com, rientjes@google.com, minchan@google.com, kaleshsingh@google.com, kernel-team@android.com, linux-mm@kvack.org, iommu@lists.linux.dev, kasan-dev@googlegroups.com, io-uring@vger.kernel.org, linux-arch@vger.kernel.org, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, linux-modules@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 14/30] mm: prevent slabobj_ext allocations for slabobj_ext and kmem_cache objects Message-ID: References: <20220830214919.53220-1-surenb@google.com> <20220830214919.53220-15-surenb@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220830214919.53220-15-surenb@google.com> X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1662075663; a=rsa-sha256; cv=none; b=OEK1xUFhaelPf3PkB7vlYaX0lnXT9eDGG8y3aIY2ZjLsPNQ5xNybXpUdtf+/cJ7XI6Uzdw SwIKcNSi8qct9L28RuNAckQMzYIKfiBAJ5bw7JRNLJqDz74AExhYxTBJMyqZpVcJXwckqz oetYudIeUZv9f1ZXRPg9FIA9V8Ge1us= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=B9gaPrqo; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf18.hostedemail.com: domain of roman.gushchin@linux.dev designates 188.165.223.204 as permitted sender) smtp.mailfrom=roman.gushchin@linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1662075663; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=VCjuzNKAQwi4WscZTTheCwWMDo51dWnYKGYDxlIvOxM=; b=vGUHiew/rMB4P58JFub6+PNue0C76EBWvqSHin2UW4FvpnBIw3rLooN4b2kYQts5pxz4Cy LVcUwYfcPymx6X/SZGwdnigwFNvsWa7fFMM9+s3qwIVCY4nmz4XMt0g0vHrdwvb8zfbbQg sGj4zhwIRM29vXtviE5Plm9kC3EhfZI= X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 369471C004E Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=B9gaPrqo; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf18.hostedemail.com: domain of roman.gushchin@linux.dev designates 188.165.223.204 as permitted sender) smtp.mailfrom=roman.gushchin@linux.dev X-Rspam-User: X-Stat-Signature: ecgyns4g9zyfdzef9wi8d45fs51uh671 X-HE-Tag: 1662075663-747453 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: On Tue, Aug 30, 2022 at 02:49:03PM -0700, Suren Baghdasaryan wrote: > Use __GFP_NO_OBJ_EXT to prevent recursions when allocating slabobj_ext > objects. Also prevent slabobj_ext allocations for kmem_cache objects. > > Signed-off-by: Suren Baghdasaryan Patches 12-14 look good to me. It's probably to early to ack anything, but otherwise I'd ack them. Thanks!