From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5524B847B for ; Thu, 28 Nov 2024 01:04:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732755879; cv=none; b=iK5CsK+Odg2p6lT0qIc8/u/aGo4V1JQGmcprf3zMpkBN3ZnP0gcyF+X82Br0f5V2+p/ropmHL3gV3OkdWm3Tzh9luRQs+rSqOryLvFFPNz0ZJSVCEm5rrNBAUJJzf9Sdg+8nlOsR4pIkjVc702JaisIfUdqXg70CrPCMpxph9qU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732755879; c=relaxed/simple; bh=QCCVnagmaXF052YRwfV14ev1H6BtzlCApocFKyfu5Dw=; h=Date:To:From:Subject:Message-Id; b=XSqjgCLje0Ocx5UzluHUG3GG7PNvI8ss9JNrn+0mW8rPauzJBeis+nvGM0USih35bitxq6DzFm2yBt2n7dzVjUX7gWt+vMK4rYZSm7BEU7lkB3hhJSfig3LJ2aMTrhhjpBHLI/VNbxrRRbDRSb9U7lW/GMZPwSfhWmdtpyCmQpM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=1BM/iQq8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="1BM/iQq8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6DBFC4CECC; Thu, 28 Nov 2024 01:04:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1732755878; bh=QCCVnagmaXF052YRwfV14ev1H6BtzlCApocFKyfu5Dw=; h=Date:To:From:Subject:From; b=1BM/iQq8PtbsECwNMd6n+CFxOdbC1QJZlTJJsThaDIvF5u3OhmCK3ffjzJ3SIjOhH eFJmKo6fhbhRm2gPFrMIu5SFLK3fGHWNuBmN54F8AJpdeJ3xjLdcP4Q6NYl5hOLm5a 1yZ/YOhiRJLkeZRa+a6O9B7rNY9WAjvOIHKBTvko= Date: Wed, 27 Nov 2024 17:04:38 -0800 To: mm-commits@vger.kernel.org,william.kucharski@oracle.com,vbabka@suse.cz,songmuchun@bytedance.com,mgorman@techsinguularity.net,linmiaohe@huawei.com,david@redhat.com,42.hyeyoo@gmail.com,willy@infradead.org,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_cpuset_fallback.patch added to mm-unstable branch Message-Id: <20241128010438.D6DBFC4CECC@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm/page_alloc: move set_page_refcounted() to callers of __alloc_pages_cpuset_fallback() has been added to the -mm mm-unstable branch. Its filename is mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_cpuset_fallback.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-move-set_page_refcounted-to-callers-of-__alloc_pages_cpuset_fallback.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: "Matthew Wilcox (Oracle)" Subject: mm/page_alloc: move set_page_refcounted() to callers of __alloc_pages_cpuset_fallback() Date: Mon, 25 Nov 2024 21:01:39 +0000 In preparation for allocating frozen pages, stop initialising the page refcount in __alloc_pages_cpuset_fallback(). Link: https://lkml.kernel.org/r/20241125210149.2976098-8-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Cc: David Hildenbrand Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: Mel Gorman Cc: Miaohe Lin Cc: Muchun Song Cc: Vlastimil Babka Cc: William Kucharski Signed-off-by: Andrew Morton --- mm/page_alloc.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_cpuset_fallback +++ a/mm/page_alloc.c @@ -3564,9 +3564,6 @@ __alloc_pages_cpuset_fallback(gfp_t gfp_ if (!page) page = get_page_from_freelist(gfp_mask, order, alloc_flags, ac); - - if (page) - set_page_refcounted(page); return page; } @@ -3653,6 +3650,8 @@ __alloc_pages_may_oom(gfp_t gfp_mask, un if (gfp_mask & __GFP_NOFAIL) page = __alloc_pages_cpuset_fallback(gfp_mask, order, ALLOC_NO_WATERMARKS, ac); + if (page) + set_page_refcounted(page); } out: mutex_unlock(&oom_lock); @@ -4481,8 +4480,10 @@ nopage: * the situation worse. */ page = __alloc_pages_cpuset_fallback(gfp_mask, order, ALLOC_MIN_RESERVE, ac); - if (page) + if (page) { + set_page_refcounted(page); goto got_pg; + } cond_resched(); goto retry; _ Patches currently in -mm which might be from willy@infradead.org are mm-page_alloc-cache-page_zone-result-in-free_unref_page.patch mm-make-alloc_pages_mpol-static.patch mm-page_alloc-export-free_frozen_pages-instead-of-free_unref_page.patch mm-page_alloc-move-set_page_refcounted-to-callers-of-post_alloc_hook.patch mm-page_alloc-move-set_page_refcounted-to-callers-of-prep_new_page.patch mm-page_alloc-move-set_page_refcounted-to-callers-of-get_page_from_freelist.patch mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_cpuset_fallback.patch mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_may_oom.patch mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_direct_compact.patch mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_direct_reclaim.patch mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_slowpath.patch mm-page_alloc-move-set_page_refcounted-to-end-of-__alloc_pages.patch mm-page_alloc-add-__alloc_frozen_pages.patch mm-mempolicy-add-alloc_frozen_pages.patch slab-allocate-frozen-pages.patch