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 F29E6FC09 for ; Tue, 5 Mar 2024 01:02:29 +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=1709600550; cv=none; b=ZLFdNqn5ow4Bp+nglPPfvxp/wzJTa+RvWd4N7iMgldBrxiRq74ZVsxaq79Xt2nwdOmTHtls0wZHtllk6p/ITGC/l50lgd8eiaQLBr6z7P6aY1Ot6vvRqEuTI5Qe1xmHhTy04frby4ejFVwFX6XoV0J07qdYz6q5v6hnY+1HHdpo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709600550; c=relaxed/simple; bh=i6+SDhhyPLmFoxsCiULbllkwIdceATa4QFyBRIhdkr0=; h=Date:To:From:Subject:Message-Id; b=c9hdURtM+GLT7yZ5LaMmYfIJzqCsQPWeGsTQHqwQu18O+OGNaJ9OHJPLavDHk+mlCH0tIJTonrXQEfGEQc7cBkpHS1G2A5pA0twdkDyNVomVuT8YLgBh3Cv5p6+333EcSOJz4N0sFlT+lLxj1gKYbX2844CZPH/JMgj0aUYRz74= 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=qDpkTuNn; 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="qDpkTuNn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7432C433C7; Tue, 5 Mar 2024 01:02:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1709600549; bh=i6+SDhhyPLmFoxsCiULbllkwIdceATa4QFyBRIhdkr0=; h=Date:To:From:Subject:From; b=qDpkTuNnpZgvBzwGPPq8mXmPha6R1M9Pbj111kNR0kwhrleIIGPNmL7ZkimB2Kukz S8CT4jMaeP8oUezvDzXmNzvYdd7KqXfs0xA6LKFpZoT0zEy0bfUWLd5vXkiaEe4ZNk 8K1+oWjMN1P7M9LWeKweTk/Dnlmz61KKmxJ815/g= Date: Mon, 04 Mar 2024 17:02:29 -0800 To: mm-commits@vger.kernel.org,zokeefe@google.com,yuzhao@google.com,willy@infradead.org,shy828301@gmail.com,ryan.roberts@arm.com,roman.gushchin@linux.dev,mkoutny@suse.com,mcgrof@kernel.org,kirill.shutemov@linux.intel.com,david@redhat.com,ziy@nvidia.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-page_owner-add-support-for-splitting-to-any-order-in-split-page_owner.patch removed from -mm tree Message-Id: <20240305010229.C7432C433C7@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm: page_owner: add support for splitting to any order in split page_owner has been removed from the -mm tree. Its filename was mm-page_owner-add-support-for-splitting-to-any-order-in-split-page_owner.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Zi Yan Subject: mm: page_owner: add support for splitting to any order in split page_owner Date: Mon, 26 Feb 2024 15:55:32 -0500 It adds a new_order parameter to set new page order in page owner. It prepares for upcoming changes to support split huge page to any lower order. Link: https://lkml.kernel.org/r/20240226205534.1603748-7-zi.yan@sent.com Signed-off-by: Zi Yan Cc: David Hildenbrand Acked-by: David Hildenbrand Cc: Kirill A. Shutemov Cc: Luis Chamberlain Cc: "Matthew Wilcox (Oracle)" Cc: Michal Koutny Cc: Roman Gushchin Cc: Ryan Roberts Cc: Yang Shi Cc: Yu Zhao Cc: Zach O'Keefe Signed-off-by: Andrew Morton --- include/linux/page_owner.h | 13 ++++++++----- mm/huge_memory.c | 2 +- mm/page_alloc.c | 4 ++-- mm/page_owner.c | 7 +++---- 4 files changed, 14 insertions(+), 12 deletions(-) --- a/include/linux/page_owner.h~mm-page_owner-add-support-for-splitting-to-any-order-in-split-page_owner +++ a/include/linux/page_owner.h @@ -11,7 +11,8 @@ extern struct page_ext_operations page_o extern void __reset_page_owner(struct page *page, unsigned short order); extern void __set_page_owner(struct page *page, unsigned short order, gfp_t gfp_mask); -extern void __split_page_owner(struct page *page, int order); +extern void __split_page_owner(struct page *page, int old_order, + int new_order); extern void __folio_copy_owner(struct folio *newfolio, struct folio *old); extern void __set_page_owner_migrate_reason(struct page *page, int reason); extern void __dump_page_owner(const struct page *page); @@ -31,10 +32,11 @@ static inline void set_page_owner(struct __set_page_owner(page, order, gfp_mask); } -static inline void split_page_owner(struct page *page, int order) +static inline void split_page_owner(struct page *page, int old_order, + int new_order) { if (static_branch_unlikely(&page_owner_inited)) - __split_page_owner(page, order); + __split_page_owner(page, old_order, new_order); } static inline void folio_copy_owner(struct folio *newfolio, struct folio *old) { @@ -56,10 +58,11 @@ static inline void reset_page_owner(stru { } static inline void set_page_owner(struct page *page, - unsigned int order, gfp_t gfp_mask) + unsigned short order, gfp_t gfp_mask) { } -static inline void split_page_owner(struct page *page, int order) +static inline void split_page_owner(struct page *page, int old_order, + int new_order) { } static inline void folio_copy_owner(struct folio *newfolio, struct folio *folio) --- a/mm/huge_memory.c~mm-page_owner-add-support-for-splitting-to-any-order-in-split-page_owner +++ a/mm/huge_memory.c @@ -2933,7 +2933,7 @@ static void __split_huge_page(struct pag unlock_page_lruvec(lruvec); /* Caller disabled irqs, so they are still disabled here */ - split_page_owner(head, order); + split_page_owner(head, order, 0); /* See comment in __split_huge_page_tail() */ if (PageAnon(head)) { --- a/mm/page_alloc.c~mm-page_owner-add-support-for-splitting-to-any-order-in-split-page_owner +++ a/mm/page_alloc.c @@ -2616,7 +2616,7 @@ void split_page(struct page *page, unsig for (i = 1; i < (1 << order); i++) set_page_refcounted(page + i); - split_page_owner(page, order); + split_page_owner(page, order, 0); split_page_memcg(page, order, 0); } EXPORT_SYMBOL_GPL(split_page); @@ -4801,7 +4801,7 @@ static void *make_alloc_exact(unsigned l struct page *page = virt_to_page((void *)addr); struct page *last = page + nr; - split_page_owner(page, order); + split_page_owner(page, order, 0); split_page_memcg(page, order, 0); while (page < --last) set_page_refcounted(last); --- a/mm/page_owner.c~mm-page_owner-add-support-for-splitting-to-any-order-in-split-page_owner +++ a/mm/page_owner.c @@ -306,19 +306,18 @@ void __set_page_owner_migrate_reason(str page_ext_put(page_ext); } -void __split_page_owner(struct page *page, int order) +void __split_page_owner(struct page *page, int old_order, int new_order) { int i; struct page_ext *page_ext = page_ext_get(page); struct page_owner *page_owner; - unsigned int nr = 1 << order; if (unlikely(!page_ext)) return; - for (i = 0; i < nr; i++) { + for (i = 0; i < (1 << old_order); i++) { page_owner = get_page_owner(page_ext); - page_owner->order = 0; + page_owner->order = new_order; page_ext = page_ext_next(page_ext); } page_ext_put(page_ext); _ Patches currently in -mm which might be from ziy@nvidia.com are