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 B7735EE49AB for ; Tue, 22 Aug 2023 18:44:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229719AbjHVSo5 (ORCPT ); Tue, 22 Aug 2023 14:44:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58184 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229545AbjHVSo5 (ORCPT ); Tue, 22 Aug 2023 14:44:57 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E720FCD1 for ; Tue, 22 Aug 2023 11:44:55 -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)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8517762B0C for ; Tue, 22 Aug 2023 18:44:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D1B73C433C7; Tue, 22 Aug 2023 18:44:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1692729894; bh=928xCH3Jr7LpJuGLjP63pUmsQhkNOwf4FRi1wMwM1+k=; h=Date:To:From:Subject:From; b=lW82mnyYI4omK9DMP/V4WiGU/b2TyHJqY4HHMkdJe9mcHFHlIdGNEXUmYK+/fRvJ0 ec18LAiXuURyp6urW00KTtEq5rbCIAUTs/41BrLCP3e9pZ/7YES0jUs3udB8g7XDlL 1CHRUuYbK+Ij+DQU99CODt6PwZl2hfeIiec/J3Q0= Date: Tue, 22 Aug 2023 11:44:54 -0700 To: mm-commits@vger.kernel.org, willy@infradead.org, Liam.Howlett@oracle.com, mjguzik@gmail.com, akpm@linux-foundation.org From: Andrew Morton Subject: + maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64.patch added to mm-unstable branch Message-Id: <20230822184454.D1B73C433C7@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: maple_tree: shrink struct maple_tree from 24 to 16 bytes on LP64 has been added to the -mm mm-unstable branch. Its filename is maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64.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: Mateusz Guzik Subject: maple_tree: shrink struct maple_tree from 24 to 16 bytes on LP64 Date: Tue, 22 Aug 2023 00:51:45 +0200 by plugging a padding hole. Link: https://lkml.kernel.org/r/20230821225145.2169848-1-mjguzik@gmail.com Signed-off-by: Mateusz Guzik Reviewed-by: Liam R. Howlett Cc: Matthew Wilcox Signed-off-by: Andrew Morton --- include/linux/maple_tree.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/include/linux/maple_tree.h~maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64 +++ a/include/linux/maple_tree.h @@ -220,8 +220,8 @@ struct maple_tree { spinlock_t ma_lock; lockdep_map_p ma_external_lock; }; - void __rcu *ma_root; unsigned int ma_flags; + void __rcu *ma_root; }; /** _ Patches currently in -mm which might be from mjguzik@gmail.com are maple_tree-shrink-struct-maple_tree-from-24-to-16-bytes-on-lp64.patch