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 324D7C25B78 for ; Tue, 28 May 2024 21:19:36 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A3FC46B00AF; Tue, 28 May 2024 17:19:35 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9C7386B00B0; Tue, 28 May 2024 17:19:35 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 867D26B00B1; Tue, 28 May 2024 17:19:35 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 685D66B00AF for ; Tue, 28 May 2024 17:19:35 -0400 (EDT) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id CBBE6405EB for ; Tue, 28 May 2024 21:19:34 +0000 (UTC) X-FDA: 82169071068.05.B90F9E5 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf25.hostedemail.com (Postfix) with ESMTP id 176DDA0008 for ; Tue, 28 May 2024 21:19:31 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=Za29AP1S; spf=pass (imf25.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1716931172; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=jdUl1U+4/MthG7mD/H4uY8F8tXKZTHUFe0KXxAdDqBE=; b=iLr5cxqiRE8ErIZQynwUGVLDa0yitukB5WV80oHaRLJdQXUjX2eH1TwBXx59Uhi37PBbc6 ESxKDcoBJ4D/DvFBdJwzZdkt080obHQboFzJDAnxVBDwx6otYLFROwlQ9YNZyOwtKThvp3 81UfNS2vvedpzNJs1/oBmCtbgZjx3zw= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=Za29AP1S; spf=pass (imf25.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1716931172; a=rsa-sha256; cv=none; b=mA2BQvfsR74W/5bl+orswk/QXpseIohQd3OEH0GsFZVbYOQkwTEJyVx7Du6fblGLkwBMv2 i1SR7p6LG3u4QvH874VXdUnUA7wrqoUp4qSZ14vEISdahzT2cmz4YZA2s0RHAOftUzvYjd BIV90gWFg4YXg87XPHcZ1WsDQrUVZmE= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 081E06251B; Tue, 28 May 2024 21:19:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7221CC3277B; Tue, 28 May 2024 21:19:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1716931170; bh=nCPQZUaiGU8yooptwQKJbLWLOSOPw8tw5d5i6lCZR5Y=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Za29AP1S9bUjtNk7kMjcS3LvKc7td6j6CIq2V1pdqN0TwCVVptBkNlGnbhnRbab76 xEPnIZwJH9eIFUBKwr4I8vZbt3qrkr+8Ot7LBV6TzI9iKGZl+gdq6HJxXqiPdMEn/g YWvI+MSCEVQkT4kxDhoYBMYn1dh6WmvMv2Upsijk= Date: Tue, 28 May 2024 14:19:29 -0700 From: Andrew Morton To: Dennis Zhou Cc: Mateusz Guzik , tj@kernel.org, hughd@google.com, vbabka@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v4] percpu_counter: add a cmpxchg-based _add_batch variant Message-Id: <20240528141929.ba7e59e4cae89eec01631306@linux-foundation.org> In-Reply-To: References: <20240528204257.434817-1-mjguzik@gmail.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 176DDA0008 X-Stat-Signature: heg417jdpcspeq1it4r7pxshy6k1ufuo X-HE-Tag: 1716931171-678783 X-HE-Meta: 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 IKkrp+a6 qSPk90/vmLn8PlK2h7eIS/kcbZMjjVxyhxwojyo8fj6yldji0d6D4ARV6riQiEoS99Hh6RvMhEMgkyJLwFzveQ41nZ7FuYGAQjcbKIFrC7TETWBliWjaMtX0AIKRIfrK9aJ0KziA0n/qoDIiTgKWqZ8vzD0HubXNWdM0XxPkaaKA53LkmjnZgtjm7vPDcUexxMKQTwhm61/UV0hzIVviLS3uApShgNwOp66AgYvNlr3PQLS1S7fqkpAmyTWMu+TabmIc+T1z4SF52CpbA+cpTkSBrFNrsBes1bU9n/eEDgOb3aKzMTpa0Xbx1+2jrGidpKEKEo3s3dy/pdws= 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: List-Subscribe: List-Unsubscribe: On Tue, 28 May 2024 13:56:58 -0700 Dennis Zhou wrote: > > EXPORT_SYMBOL(percpu_counter_add_batch); > > > > /* > > -- > > 2.39.2 > > > > Andrew you picked up the __this_cpu_try_cmpxchg() patches. At this point > you might as well pick up this too. The cpumask clean ups are likely > going to give me trouble later this week when I rebase so I'll probably > have to base my percpuh hotplug branch on your mm-unstable now. Well, if it makes more sense to carry these in a different tree, let's do that.