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 3064B17758 for ; Thu, 28 Nov 2024 01:04:44 +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=1732755885; cv=none; b=PjrH1n6stCed6/i6OIDkNdQf5bkQpABOf5LQYYrxHBdqe51ORDnECdaYOVztRUElzybyUq+ti+skOV5r1Oj+OBdoeNfBEPZmBvAy6lro9MowsL2jxrSx/oQZVTXZ70YXmYdCPumftIdlQDuCVJDL1e4l/mv+rq9ivLlY7cKHLGU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732755885; c=relaxed/simple; bh=EN8+0QVKVkWhrEs4OJo3r6FJ3eoZ/Eh0iu7ykajexxs=; h=Date:To:From:Subject:Message-Id; b=HcHGiqYjLA/3Sd3Z+z7S0mnvRghTjqVenKCwevTueUQRdFeHW1nrsn5tXwwCzbwjqhiFWLTBc8o7mAd/S5ak5ffd1+Xu8+hM4jrBHaKORIIj2282SO3zIZYkt7zmxTt9oVViw0aJV/RXpYeq+wN9g970WpbktUYGlXeLlH3GeCw= 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=bcyJV3//; 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="bcyJV3//" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A2EEBC4CECC; Thu, 28 Nov 2024 01:04:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1732755884; bh=EN8+0QVKVkWhrEs4OJo3r6FJ3eoZ/Eh0iu7ykajexxs=; h=Date:To:From:Subject:From; b=bcyJV3//rwdYAaO7kWp/pysGTljjP6Q8ywCluqrIVJagnVfQBcbSg8WhfjywFvcwb 8ar/qbiDZ5UFzSZAPwOXFJT1y7A8oR1ji3E1cQ6PG20CxbmkkbwJVctNG3SO+XZMAW e84L2l+o4CstfrRtRYUJ4v1KKzm8ORihowse3VB0= Date: Wed, 27 Nov 2024 17:04:44 -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_direct_reclaim.patch added to mm-unstable branch Message-Id: <20241128010444.A2EEBC4CECC@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_direct_reclaim() has been added to the -mm mm-unstable branch. Its filename is mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_direct_reclaim.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_direct_reclaim.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_direct_reclaim() Date: Mon, 25 Nov 2024 21:01:42 +0000 In preparation for allocating frozen pages, stop initialising the page refcount in __alloc_pages_direct_reclaim(). Link: https://lkml.kernel.org/r/20241125210149.2976098-11-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 | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-move-set_page_refcounted-to-callers-of-__alloc_pages_direct_reclaim +++ a/mm/page_alloc.c @@ -3962,7 +3962,6 @@ retry: drained = true; goto retry; } - set_page_refcounted(page); out: psi_memstall_leave(&pflags); @@ -4384,8 +4383,10 @@ retry: /* Try direct reclaim and then allocating */ page = __alloc_pages_direct_reclaim(gfp_mask, order, alloc_flags, ac, &did_some_progress); - if (page) + if (page) { + set_page_refcounted(page); goto got_pg; + } /* Try direct compaction and then allocating */ page = __alloc_pages_direct_compact(gfp_mask, order, alloc_flags, ac, _ 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