From patchwork Fri Mar 10 10:32:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vlastimil Babka X-Patchwork-Id: 13169136 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 A1C4DC74A44 for ; Fri, 10 Mar 2023 10:32:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231510AbjCJKcp (ORCPT ); Fri, 10 Mar 2023 05:32:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59160 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231192AbjCJKcU (ORCPT ); Fri, 10 Mar 2023 05:32:20 -0500 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B46AA111685; Fri, 10 Mar 2023 02:32:16 -0800 (PST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 3BDB120655; Fri, 10 Mar 2023 10:32:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1678444335; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SABMsfykBuZLlX/EID5G4jmWDCswPlY6bB+XmpUmDDI=; b=foj1gEREC5pFoZcss66MTasW9SmKGZ8VO45QQ5RxFr2/gbLbCBrgbYL8TlQQxufdOQ3EFE czVB8jboaSapWQSAvTbgzlr6p+6za4Flui5sC1W23abuExTqIegh6cm1gPfGqBzmxekr0H TCUXtSdOonDGjPPPUlKUoc9FsmC5aAE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1678444335; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SABMsfykBuZLlX/EID5G4jmWDCswPlY6bB+XmpUmDDI=; b=JCOpFCvpQJqkp5/VtYAnLRuXjAB156OkLDECkwvRNK9kuNoHX2iWKKVfw/Gx5/VOde/eYE 9dMcNAa9idgNdMBg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 0984B13592; Fri, 10 Mar 2023 10:32:15 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 6Ay0AS8HC2SsXQAAMHmgww (envelope-from ); Fri, 10 Mar 2023 10:32:15 +0000 From: Vlastimil Babka To: Christoph Lameter , David Rientjes , Joonsoo Kim , Pekka Enberg Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>, Roman Gushchin , Andrew Morton , linux-mm@kvack.org, rcu@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, patches@lists.linux.dev, netdev@vger.kernel.org, linux-doc@vger.kernel.org, Vlastimil Babka Subject: [PATCH 4/7] mm, pagemap: remove SLOB and SLQB from comments and documentation Date: Fri, 10 Mar 2023 11:32:06 +0100 Message-Id: <20230310103210.22372-5-vbabka@suse.cz> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310103210.22372-1-vbabka@suse.cz> References: <20230310103210.22372-1-vbabka@suse.cz> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org SLOB has been removed and SLQB never merged, so remove their mentions from comments and documentation of pagemap. Signed-off-by: Vlastimil Babka Acked-by: Lorenzo Stoakes --- Documentation/admin-guide/mm/pagemap.rst | 6 +++--- fs/proc/page.c | 5 ++--- 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/Documentation/admin-guide/mm/pagemap.rst b/Documentation/admin-guide/mm/pagemap.rst index b5f970dc91e7..bb4aa897a773 100644 --- a/Documentation/admin-guide/mm/pagemap.rst +++ b/Documentation/admin-guide/mm/pagemap.rst @@ -91,9 +91,9 @@ Short descriptions to the page flags The page is being locked for exclusive access, e.g. by undergoing read/write IO. 7 - SLAB - The page is managed by the SLAB/SLOB/SLUB/SLQB kernel memory allocator. - When compound page is used, SLUB/SLQB will only set this flag on the head - page; SLOB will not flag it at all. + The page is managed by the SLAB/SLUB kernel memory allocator. + When compound page is used, either will only set this flag on the head + page.. 10 - BUDDY A free memory block managed by the buddy system allocator. The buddy system organizes free memory in blocks of various orders. diff --git a/fs/proc/page.c b/fs/proc/page.c index 6249c347809a..1356aeffd8dc 100644 --- a/fs/proc/page.c +++ b/fs/proc/page.c @@ -125,7 +125,7 @@ u64 stable_page_flags(struct page *page) /* * pseudo flags for the well known (anonymous) memory mapped pages * - * Note that page->_mapcount is overloaded in SLOB/SLUB/SLQB, so the + * Note that page->_mapcount is overloaded in SLAB/SLUB, so the * simple test in page_mapped() is not enough. */ if (!PageSlab(page) && page_mapped(page)) @@ -166,8 +166,7 @@ u64 stable_page_flags(struct page *page) /* * Caveats on high order pages: page->_refcount will only be set - * -1 on the head page; SLUB/SLQB do the same for PG_slab; - * SLOB won't set PG_slab at all on compound pages. + * -1 on the head page; SLAB/SLUB do the same for PG_slab; */ if (PageBuddy(page)) u |= 1 << KPF_BUDDY;