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 00D61C433EF for ; Mon, 6 Jun 2022 20:31:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233472AbiFFUb2 (ORCPT ); Mon, 6 Jun 2022 16:31:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233911AbiFFUbO (ORCPT ); Mon, 6 Jun 2022 16:31:14 -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 39B462F01E for ; Mon, 6 Jun 2022 13:30:22 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C11936152C for ; Mon, 6 Jun 2022 20:30:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 20C6CC34115; Mon, 6 Jun 2022 20:30:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1654547421; bh=v1YrfOSPlICt6vLWulsAE1mN78FPp0x7q/jZ6H7Ykx8=; h=Date:To:From:Subject:From; b=uY+gRZIvlIDYvrmSl5Vm5a83lnQ5zCXGWcHNVF5QDnEQyjxTlLaYcZC3jhGDrFNyX 1r9Mg/a0RA7BYkaLv/gqAD6BgBKIIc6E6Eegn/JlvY8zjwJiN6qm3VJGiDhPaq+04e Oub/Sw7lE6vvkGGv0qHFsx8F0o5CV9Ed8RDDDN+g= Date: Mon, 06 Jun 2022 13:30:20 -0700 To: mm-commits@vger.kernel.org, vbabka@suse.cz, roman.gushchin@linux.dev, rientjes@google.com, penberg@kernel.org, iamjoonsoo.kim@lge.com, daniel.vetter@intel.com, cl@linux.com, daniel.vetter@ffwll.ch, akpm@linux-foundation.org From: Andrew Morton Subject: + mm-page_alloc-use-might_alloc.patch added to mm-unstable branch Message-Id: <20220606203021.20C6CC34115@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/page_alloc: use might_alloc() has been added to the -mm mm-unstable branch. Its filename is mm-page_alloc-use-might_alloc.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_alloc-use-might_alloc.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: Daniel Vetter Subject: mm/page_alloc: use might_alloc() Date: Sun, 5 Jun 2022 17:25:37 +0200 ... instead of open coding it. Completely equivalent code, just a notch more meaningful when reading. Link: https://lkml.kernel.org/r/20220605152539.3196045-1-daniel.vetter@ffwll.ch Signed-off-by: Daniel Vetter Cc: Christoph Lameter Cc: David Rientjes Cc: Joonsoo Kim Cc: Pekka Enberg Cc: Roman Gushchin Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- mm/page_alloc.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-use-might_alloc +++ a/mm/page_alloc.c @@ -5270,10 +5270,7 @@ static inline bool prepare_alloc_pages(g *alloc_flags |= ALLOC_CPUSET; } - fs_reclaim_acquire(gfp_mask); - fs_reclaim_release(gfp_mask); - - might_sleep_if(gfp_mask & __GFP_DIRECT_RECLAIM); + might_alloc(gfp_mask); if (should_fail_alloc_page(gfp_mask, order)) return false; _ Patches currently in -mm which might be from daniel.vetter@ffwll.ch are mm-page_alloc-use-might_alloc.patch mm-slab-delete-cache_alloc_debugcheck_before.patch mm-mempool-use-might_alloc.patch