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 3B939C4332F for ; Mon, 12 Dec 2022 02:15:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231303AbiLLCPz (ORCPT ); Sun, 11 Dec 2022 21:15:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42006 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231304AbiLLCOd (ORCPT ); Sun, 11 Dec 2022 21:14:33 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B33FDDF0C for ; Sun, 11 Dec 2022 18:14:18 -0800 (PST) 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 ams.source.kernel.org (Postfix) with ESMTPS id 68AFFB80B67 for ; Mon, 12 Dec 2022 02:14:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 06358C433EF; Mon, 12 Dec 2022 02:14:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1670811256; bh=7huVb4lIOH21DvLc3Vb8Iz9GfteS5ROo1VDEjX50EqU=; h=Date:To:From:Subject:From; b=B4uJGzhkMuU1b9NU80Cq2LtRlqcBSuBjoUF2W+/1XbnFqnqCKDoaYSiwCnYPvUEpf coEgNGCIleT0W9J5vtHAElxQizqVxA07H5wW/g+uom+aIrD3tsm64icfpC1R2w8OR2 JwujwZFrKPeBlu4pKMSOt2q9E9XwgSYSKGakpIFI= Date: Sun, 11 Dec 2022 18:14:15 -0800 To: mm-commits@vger.kernel.org, willy@infradead.org, tsahu@linux.ibm.com, songmuchun@bytedance.com, mike.kravetz@oracle.com, linux@rasmusvillemoes.dk, linmiaohe@huawei.com, jhubbard@nvidia.com, harperchen1110@gmail.com, david@redhat.com, almasrymina@google.com, sidhartha.kumar@oracle.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-hugetlb-convert-destroy_compound_gigantic_page-to-folios.patch removed from -mm tree Message-Id: <20221212021416.06358C433EF@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The quilt patch titled Subject: mm/hugetlb: convert destroy_compound_gigantic_page() to folios has been removed from the -mm tree. Its filename was mm-hugetlb-convert-destroy_compound_gigantic_page-to-folios.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: Sidhartha Kumar Subject: mm/hugetlb: convert destroy_compound_gigantic_page() to folios Date: Tue, 29 Nov 2022 14:50:31 -0800 Convert page operations within __destroy_compound_gigantic_page() to the corresponding folio operations. Link: https://lkml.kernel.org/r/20221129225039.82257-3-sidhartha.kumar@oracle.com Signed-off-by: Sidhartha Kumar Reviewed-by: Mike Kravetz Cc: David Hildenbrand Cc: John Hubbard Cc: Matthew Wilcox Cc: Miaohe Lin Cc: Mina Almasry Cc: Muchun Song Cc: Rasmus Villemoes Cc: Tarun Sahu Cc: Wei Chen Signed-off-by: Andrew Morton --- mm/hugetlb.c | 43 +++++++++++++++++++++---------------------- 1 file changed, 21 insertions(+), 22 deletions(-) --- a/mm/hugetlb.c~mm-hugetlb-convert-destroy_compound_gigantic_page-to-folios +++ a/mm/hugetlb.c @@ -1325,43 +1325,40 @@ static int hstate_next_node_to_free(stru nr_nodes--) /* used to demote non-gigantic_huge pages as well */ -static void __destroy_compound_gigantic_page(struct page *page, +static void __destroy_compound_gigantic_folio(struct folio *folio, unsigned int order, bool demote) { int i; int nr_pages = 1 << order; struct page *p; - atomic_set(compound_mapcount_ptr(page), 0); - atomic_set(subpages_mapcount_ptr(page), 0); - atomic_set(compound_pincount_ptr(page), 0); + atomic_set(folio_mapcount_ptr(folio), 0); + atomic_set(folio_subpages_mapcount_ptr(folio), 0); + atomic_set(folio_pincount_ptr(folio), 0); for (i = 1; i < nr_pages; i++) { - p = nth_page(page, i); + p = folio_page(folio, i); p->mapping = NULL; clear_compound_head(p); if (!demote) set_page_refcounted(p); } - set_compound_order(page, 0); -#ifdef CONFIG_64BIT - page[1].compound_nr = 0; -#endif - __ClearPageHead(page); + folio_set_compound_order(folio, 0); + __folio_clear_head(folio); } -static void destroy_compound_hugetlb_page_for_demote(struct page *page, +static void destroy_compound_hugetlb_folio_for_demote(struct folio *folio, unsigned int order) { - __destroy_compound_gigantic_page(page, order, true); + __destroy_compound_gigantic_folio(folio, order, true); } #ifdef CONFIG_ARCH_HAS_GIGANTIC_PAGE -static void destroy_compound_gigantic_page(struct page *page, +static void destroy_compound_gigantic_folio(struct folio *folio, unsigned int order) { - __destroy_compound_gigantic_page(page, order, false); + __destroy_compound_gigantic_folio(folio, order, false); } static void free_gigantic_page(struct page *page, unsigned int order) @@ -1430,7 +1427,7 @@ static struct page *alloc_gigantic_page( return NULL; } static inline void free_gigantic_page(struct page *page, unsigned int order) { } -static inline void destroy_compound_gigantic_page(struct page *page, +static inline void destroy_compound_gigantic_folio(struct folio *folio, unsigned int order) { } #endif @@ -1477,8 +1474,8 @@ static void __remove_hugetlb_page(struct * * For gigantic pages set the destructor to the null dtor. This * destructor will never be called. Before freeing the gigantic - * page destroy_compound_gigantic_page will turn the compound page - * into a simple group of pages. After this the destructor does not + * page destroy_compound_gigantic_folio will turn the folio into a + * simple group of pages. After this the destructor does not * apply. * * This handles the case where more than one ref is held when and @@ -1559,6 +1556,7 @@ static void add_hugetlb_page(struct hsta static void __update_and_free_page(struct hstate *h, struct page *page) { int i; + struct folio *folio = page_folio(page); struct page *subpage; if (hstate_is_gigantic(h) && !gigantic_page_runtime_supported()) @@ -1587,8 +1585,8 @@ static void __update_and_free_page(struc * Move PageHWPoison flag from head page to the raw error pages, * which makes any healthy subpages reusable. */ - if (unlikely(PageHWPoison(page))) - hugetlb_clear_page_hwpoison(page); + if (unlikely(folio_test_hwpoison(folio))) + hugetlb_clear_page_hwpoison(&folio->page); for (i = 0; i < pages_per_huge_page(h); i++) { subpage = nth_page(page, i); @@ -1604,7 +1602,7 @@ static void __update_and_free_page(struc */ if (hstate_is_gigantic(h) || hugetlb_cma_page(page, huge_page_order(h))) { - destroy_compound_gigantic_page(page, huge_page_order(h)); + destroy_compound_gigantic_folio(folio, huge_page_order(h)); free_gigantic_page(page, huge_page_order(h)); } else { __free_pages(page, huge_page_order(h)); @@ -3437,6 +3435,7 @@ static int demote_free_huge_page(struct { int i, nid = page_to_nid(page); struct hstate *target_hstate; + struct folio *folio = page_folio(page); struct page *subpage; int rc = 0; @@ -3455,10 +3454,10 @@ static int demote_free_huge_page(struct } /* - * Use destroy_compound_hugetlb_page_for_demote for all huge page + * Use destroy_compound_hugetlb_folio_for_demote for all huge page * sizes as it will not ref count pages. */ - destroy_compound_hugetlb_page_for_demote(page, huge_page_order(h)); + destroy_compound_hugetlb_folio_for_demote(folio, huge_page_order(h)); /* * Taking target hstate mutex synchronizes with set_max_huge_pages. _ Patches currently in -mm which might be from sidhartha.kumar@oracle.com are