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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 43C4CEB64DC for ; Thu, 6 Jul 2023 16:36:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231492AbjGFQgz (ORCPT ); Thu, 6 Jul 2023 12:36:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231482AbjGFQgy (ORCPT ); Thu, 6 Jul 2023 12:36:54 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1C73173F for ; Thu, 6 Jul 2023 09:36:53 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 892D96068F for ; Thu, 6 Jul 2023 16:36:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CCF7AC433C8; Thu, 6 Jul 2023 16:36:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1688661412; bh=ZYikSKzQ2uxDzm4vBzPCOC8zizI+QpnXdaTVNTn1/dA=; h=Date:To:From:Subject:From; b=0E4OHIQUy9UuFWVd38jzZ14q5TKR22/4bOTe9gQC6fGlreWeuXrMj2PUJ5gXB3Z77 egEi5za3/f/XiA3wEkJ7kPO6EWw+0xOLgAzXkm1P8uKf65hsPM7tDrBBUbuXcA7YzT dFRSNcPfHgA2ohWwEx/9jfTeMJOXZaYcb45Lvip8= Date: Thu, 06 Jul 2023 09:36:52 -0700 To: mm-commits@vger.kernel.org, linmiaohe@huawei.com, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-remove-obsolete-comment-above-struct-per_cpu_pages.patch added to mm-unstable branch Message-Id: <20230706163652.CCF7AC433C8@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm: remove obsolete comment above struct per_cpu_pages has been added to the -mm mm-unstable branch. Its filename is mm-remove-obsolete-comment-above-struct-per_cpu_pages.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-obsolete-comment-above-struct-per_cpu_pages.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Miaohe Lin Subject: mm: remove obsolete comment above struct per_cpu_pages Date: Thu, 6 Jul 2023 17:24:41 +0800 Since commit 01b44456a7aa ("mm/page_alloc: replace local_lock with normal spinlock"), per_cpu_pages is protected by normal spinlock. Remove the obsolete comment as it's not that helpful. Link: https://lkml.kernel.org/r/20230706092441.1574950-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Signed-off-by: Andrew Morton --- include/linux/mmzone.h | 1 - 1 file changed, 1 deletion(-) --- a/include/linux/mmzone.h~mm-remove-obsolete-comment-above-struct-per_cpu_pages +++ a/include/linux/mmzone.h @@ -676,7 +676,6 @@ enum zone_watermarks { #define high_wmark_pages(z) (z->_watermark[WMARK_HIGH] + z->watermark_boost) #define wmark_pages(z, i) (z->_watermark[i] + z->watermark_boost) -/* Fields and list protected by pagesets local_lock in page_alloc.c */ struct per_cpu_pages { spinlock_t lock; /* Protects lists field */ int count; /* number of pages in the list */ _ Patches currently in -mm which might be from linmiaohe@huawei.com are mm-mm_initc-update-obsolete-comment-in-get_pfn_range_for_nid.patch mm-memory-failure-fix-unexpected-return-value-in-soft_offline_page.patch mm-memory-failure-fix-potential-page-refcnt-leak-in-memory_failure.patch mm-memory-failure-remove-unneeded-page-state-check-in-shake_page.patch memory-tier-use-helper-function-destroy_memory_type.patch mm-memory-failure-remove-unneeded-inline-annotation.patch mm-mm_initc-remove-obsolete-macro-hash_small.patch mm-page_alloc-avoid-false-page-outside-zone-error-info.patch memory-tier-rename-destroy_memory_type-to-put_memory_type.patch mm-remove-obsolete-comment-above-struct-per_cpu_pages.patch