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 A41A2C25B06 for ; Mon, 15 Aug 2022 00:04:53 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 421178D0002; Sun, 14 Aug 2022 20:04:53 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3D0CE8D0001; Sun, 14 Aug 2022 20:04:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 298208D0002; Sun, 14 Aug 2022 20:04:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 1B5E78D0001 for ; Sun, 14 Aug 2022 20:04:53 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id E35BE1A0481 for ; Mon, 15 Aug 2022 00:04:52 +0000 (UTC) X-FDA: 79799881224.21.A141148 Received: from mail-pg1-f175.google.com (mail-pg1-f175.google.com [209.85.215.175]) by imf24.hostedemail.com (Postfix) with ESMTP id 831261801C3 for ; Mon, 15 Aug 2022 00:04:52 +0000 (UTC) Received: by mail-pg1-f175.google.com with SMTP id 73so5299170pgb.9 for ; Sun, 14 Aug 2022 17:04:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:from:to:cc; bh=gKnFNmzdgCaRLqs6MKO0f+pzyIe/wcHTbOXCZUlUqxk=; b=egoOhDaT5bZ/8/Fe22bpzmyvoh7lwbvBfD5HQIBCclUHlxvubCbQPFuXK17QOFXpy4 pmIEKHdLUKbvBbicMNLjrnUPlPH4pC2mUbg95J6B7o0S2GZOgrW4FfRvZG2iz+1LkTFb aqTjCUK7aWv+DVVDB6T8qA3J0JniQo7wRKsBSwj9sMrFT4znP6brUM/rQ+wg8EwL8RPp ngi/uuTEPeZUjQZ6RCwGah/aJf12L8d/xzBVm3QqRyUIa+3e76jzC2Q8R/IGaV8JHTvM EhXReMJ7QtyLQ+YJG4qimY9Pra3D7/J/87WAWTjPKOrP/ZHYHbiLd3tVSLGOOOULRLkW NxkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:x-gm-message-state:from:to:cc; bh=gKnFNmzdgCaRLqs6MKO0f+pzyIe/wcHTbOXCZUlUqxk=; b=nNMe8V/J97M7Lq1oPE5H4rxdKMH0Yu5W21C/B1yf6y2wMPqmQov4MhqOPePppd/UY6 SVaAzXaQzlimHBQC+c1nnl9hV+R8mZdbCbkD2ei1ok3roIziImvGljfD10FjnhNCLktC Wr+GXpV6Jd2zhWYG5wpnGdv326j4UKn877Z0plV4Iyvx1skYuxKPwjH5EaBe8hmWSYFR v0d8HGZ5KKXb/vJ4TmfRGaYd6+4SVlBNyGZ3dmVy93PzTJBYeE0hZ//UD5zYB4cWUN6g u6fHmi/n48o//qfClrcyxSmVXrOQPNWSUdOx7i1C/iuHq/D9CZYqOxTejWraKeU+knmG Czow== X-Gm-Message-State: ACgBeo3RgdqguJ9zR07pUNDSQUtqL4ntddVG7sCQaSKSIobzzGhTbRTC Qaz9cbIvAQ8wCvQP016ym383Hc69ub1SZQ== X-Google-Smtp-Source: AA6agR4NuOm8WVPiZjsG3JlcJe+wSrWKQQ2TtmzktzmK7qWiyGqwuZDSGxdNaUtbE4C81MmKSlmlJQ== X-Received: by 2002:a63:2cd:0:b0:41d:95d6:2a02 with SMTP id 196-20020a6302cd000000b0041d95d62a02mr11735974pgc.458.1660521891438; Sun, 14 Aug 2022 17:04:51 -0700 (PDT) Received: from [2620:15c:29:203:2fe6:b086:54db:d870] ([2620:15c:29:203:2fe6:b086:54db:d870]) by smtp.gmail.com with ESMTPSA id w9-20020a627b09000000b0052ddccd7b64sm5573166pfc.205.2022.08.14.17.04.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Aug 2022 17:04:50 -0700 (PDT) Date: Sun, 14 Aug 2022 17:04:50 -0700 (PDT) From: David Rientjes To: Vlastimil Babka cc: Rongwei Wang , Christoph Lameter , Joonsoo Kim , Pekka Enberg , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Roman Gushchin , linux-mm@kvack.org, Sebastian Andrzej Siewior , Thomas Gleixner , Mike Galbraith Subject: Re: [PATCH 5/5] mm/slub: simplify __cmpxchg_double_slab() and slab_[un]lock() In-Reply-To: <20220812091426.18418-6-vbabka@suse.cz> Message-ID: <82d7ef4e-92a0-318a-2939-67ffc1d99f03@google.com> References: <20220812091426.18418-1-vbabka@suse.cz> <20220812091426.18418-6-vbabka@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=egoOhDaT; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf24.hostedemail.com: domain of rientjes@google.com designates 209.85.215.175 as permitted sender) smtp.mailfrom=rientjes@google.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1660521892; a=rsa-sha256; cv=none; b=VPFb5y51olHcfJEPfCwH8MnKQ33CxzKFO23K9SlZfThWJHHVW+VnEW9I8SdTMYzScgtyOs CZtANGFF78+zq+Zri8muzG4Dv9MG5gS7YQ7tNoA5oWlQIaCosc7+UOWkNK+xkVapBQ4VHC a5x1Rm+F9zwFB2cUCvakULx8fEViz/c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1660521892; 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=gKnFNmzdgCaRLqs6MKO0f+pzyIe/wcHTbOXCZUlUqxk=; b=qQVwG/kGerYvX25v+I3GPDgh7rM1a4igJE+6teNRWUHmLdscLD6A1l4tAzTc/KeKb9QoD/ /66j4oAwB+kkovwj7HfQKcoD1+7nI+M96vq1t+1ZhpbirBo6pDDM8yHvhGuY+R6nQce81F nC2hTQcKmr6GapD4nuL6L5mJ9jHvvmo= X-Rspam-User: Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=egoOhDaT; dmarc=pass (policy=reject) header.from=google.com; spf=pass (imf24.hostedemail.com: domain of rientjes@google.com designates 209.85.215.175 as permitted sender) smtp.mailfrom=rientjes@google.com X-Stat-Signature: bzh1kf4s4rxbyw1593b76c8dmydur5y1 X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 831261801C3 X-HE-Tag: 1660521892-717915 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 Fri, 12 Aug 2022, Vlastimil Babka wrote: > The PREEMPT_RT specific disabling of irqs in __cmpxchg_double_slab() > (through slab_[un]lock()) makes it behave on PREEMPT_RT exactly as > cmpxchg_double_slab() does, so it's simpler to just redirect the usage > of the former to the latter on RT. > > That means we no longer need the slab_[un]lock() wrappers, so delete > them and rename the current __slab_[un]lock() to slab_[un]lock(). > > Signed-off-by: Vlastimil Babka Acked-by: David Rientjes