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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D957BC25B08 for ; Mon, 8 Aug 2022 19:35:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3251C94000C; Mon, 8 Aug 2022 15:35:13 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1E98D940007; Mon, 8 Aug 2022 15:35:13 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E1F0B94000C; Mon, 8 Aug 2022 15:35:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id C87DB940007 for ; Mon, 8 Aug 2022 15:35:12 -0400 (EDT) Received: from smtpin20.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 75E4F80119 for ; Mon, 8 Aug 2022 19:35:12 +0000 (UTC) X-FDA: 79777428864.20.7147994 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf16.hostedemail.com (Postfix) with ESMTP id 208F8180169 for ; Mon, 8 Aug 2022 19:35:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=EtUfHusf3N70jYSPPPixSjqlm8bwcBxVI5pl2nsQ5N4=; b=vCA0PVi0e1XGXwZ108Fa/Pq36z 6lYCFDsOJJdZJ29IBlu+5HB/ZTMPfJ8rmgKFMIxsYXwF02+G52M85FG6P7ZX0JXg2gLTEVZkYdJBu d1Ds0J03q1A5RaaoOw6S721P9GwjxQEmDvKuMQhQu9E5dBhSf8UIM4eiylhwXUYPh5DfkRM8c/hK0 AWSZB5sl4uoAGSPiNyaJ/wKXLXSxUQ+Jf5DnR1uUPEIiNdFHxdNIPoNP3g1dUorlKO9F00QQFueak WrMtzZRCMG2W2CdOnrV3K7wRbnK9TzEBERpWwkRcnY4+sEVmcwEmr49wihsgbMGM1UUNjG009lOZ1 XialFtLw==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1oL8Wg-00EAtr-Fa; Mon, 08 Aug 2022 19:34:58 +0000 From: "Matthew Wilcox (Oracle)" To: linux-mm@kvack.org Cc: "Matthew Wilcox (Oracle)" , hughd@google.com Subject: [PATCH 14/59] mm/swap: Convert __read_swap_cache_async() to use a folio Date: Mon, 8 Aug 2022 20:33:42 +0100 Message-Id: <20220808193430.3378317-15-willy@infradead.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220808193430.3378317-1-willy@infradead.org> References: <20220808193430.3378317-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1659987312; a=rsa-sha256; cv=none; b=hIx8BwUU1ZcFgda43Jv2BsY562lJkRy6H6W484S8TWdAyZ4rXc/D57EkQngwS9Gim0JUTl G+CT81IMCLrwogSqQ3S1/9IvwzLMXbCV2TmYZngktwjB9m0JwJtTpwEx70DQbSHY/Xc1tf 7b9ISLSSL8D3YyRv25KLYHA1G28xMyY= ARC-Authentication-Results: i=1; imf16.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=vCA0PVi0; dmarc=none; spf=none (imf16.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1659987312; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=EtUfHusf3N70jYSPPPixSjqlm8bwcBxVI5pl2nsQ5N4=; b=ZKDeyR3c1Swi4LKqCxBfspsW6ARDoguZG8s4sGv9fk65CswUzgzKMMptzUVQC+8qv7yQoz 6vSpa/WrUnHVFT8VThM7wcxx4L2Uha9sIsQfP5WsSoD5sQJWZJgPzecey0VsvegMXzF8ft 0iazNCPO+3buQYbQfn5x4UnOmn9Mcsk= X-Rspamd-Server: rspam10 X-Stat-Signature: gqhn58c3ysijjbcoqxdaxsxa3fpxfiyt Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=vCA0PVi0; dmarc=none; spf=none (imf16.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org X-Rspam-User: X-Rspamd-Queue-Id: 208F8180169 X-HE-Tag: 1659987311-340910 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Remove a few hidden (and one visible) calls to compound_head(). Signed-off-by: Matthew Wilcox (Oracle) --- mm/swap_state.c | 38 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/mm/swap_state.c b/mm/swap_state.c index 41afa6d45b23..b1e181fc5268 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -411,7 +411,7 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, bool *new_page_allocated) { struct swap_info_struct *si; - struct page *page; + struct folio *folio; void *shadow = NULL; *new_page_allocated = false; @@ -426,11 +426,11 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, si = get_swap_device(entry); if (!si) return NULL; - page = find_get_page(swap_address_space(entry), - swp_offset(entry)); + folio = filemap_get_folio(swap_address_space(entry), + swp_offset(entry)); put_swap_device(si); - if (page) - return page; + if (folio) + return folio_file_page(folio, swp_offset(entry)); /* * Just skip read ahead for unused swap slot. @@ -448,8 +448,8 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, * before marking swap_map SWAP_HAS_CACHE, when -EEXIST will * cause any racers to loop around until we add it to cache. */ - page = alloc_page_vma(gfp_mask, vma, addr); - if (!page) + folio = vma_alloc_folio(gfp_mask, 0, vma, addr, false); + if (!folio) return NULL; /* @@ -459,7 +459,7 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, if (!err) break; - put_page(page); + folio_put(folio); if (err != -EEXIST) return NULL; @@ -477,30 +477,30 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask, * The swap entry is ours to swap in. Prepare the new page. */ - __SetPageLocked(page); - __SetPageSwapBacked(page); + __folio_set_locked(folio); + __folio_set_swapbacked(folio); - if (mem_cgroup_swapin_charge_page(page, NULL, gfp_mask, entry)) + if (mem_cgroup_swapin_charge_page(&folio->page, NULL, gfp_mask, entry)) goto fail_unlock; /* May fail (-ENOMEM) if XArray node allocation failed. */ - if (add_to_swap_cache(page, entry, gfp_mask & GFP_RECLAIM_MASK, &shadow)) + if (add_to_swap_cache(&folio->page, entry, gfp_mask & GFP_RECLAIM_MASK, &shadow)) goto fail_unlock; mem_cgroup_swapin_uncharge_swap(entry); if (shadow) - workingset_refault(page_folio(page), shadow); + workingset_refault(folio, shadow); - /* Caller will initiate read into locked page */ - lru_cache_add(page); + /* Caller will initiate read into locked folio */ + folio_add_lru(folio); *new_page_allocated = true; - return page; + return &folio->page; fail_unlock: - put_swap_page(page, entry); - unlock_page(page); - put_page(page); + put_swap_page(&folio->page, entry); + folio_unlock(folio); + folio_put(folio); return NULL; } -- 2.35.1