From nobody Sun Sep 14 14:49:58 2025 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 90B35C38159 for ; Sat, 21 Jan 2023 00:56:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229686AbjAUA4b (ORCPT ); Fri, 20 Jan 2023 19:56:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229653AbjAUA42 (ORCPT ); Fri, 20 Jan 2023 19:56:28 -0500 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B0595B595 for ; Fri, 20 Jan 2023 16:56:28 -0800 (PST) Received: by mail-pl1-x630.google.com with SMTP id v23so6783855plo.1 for ; Fri, 20 Jan 2023 16:56:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Ihs1lPGJTYH/n9uC2fe/fD/dm6RWAiMecmovGp89G+Q=; b=A9nMCXlGrTqywtDFEfUariM/BfBgw9tPr05X918ldhS3Cu8cLbDOnUt4IHI8cDjU9w 49nw+/16Ryq22+rCTZUVMFGLFZgWulbUbprCZ3vfI16Ud7B4bZMF/ZhNzKbC6LVlsUJt +K2qy/EK67DYDoA200hvQRXG09r5dkMibL1V0xjVkIytwR2rScU+j9AFwwdm0E9ly3z0 SdOngM9jmr/53yHpdGwpEJ5Rn8wauhFJvD0MPQPIeKc9YtCtyrQ2Jq6H6ChN9/yey34J IQ0ZHqHln+eSb16AVAJJ7e+F4T25/ZoIbc2UwK7MDGBqBQCoiu4t4lkWgyXBhouCouZK GcqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Ihs1lPGJTYH/n9uC2fe/fD/dm6RWAiMecmovGp89G+Q=; b=qe7AQGDFuycajMaRxKe3IcmfxJmAof4Y71H9l3XA4fAWL1HnMmZmn90rrOOBzjx+OO AhBV0xNYa0cGR0p31Ud0LDESBcHvh02VP0hCetRr75RH78vS0eqh9+WFUhbBvq4H0rHL CKlsSCiTFmvqBR4IlU6rhy1J8ulITInEh29TSIGtS2X4yABa9pDrYDOdEwwqmAmAcgBx DJVLl6juq7ampEadB0YL4KlIm5mKLkWklXhimHXBpmDwSC/aoivV6zmUS4jn3gFcXXZG K7Mhl4+N0vxIpUoNDsWam2aCqO4IIRxBnqxKLxJAyMxKMoLD4a0Lp76cOecPpsTj1srT ZEfQ== X-Gm-Message-State: AFqh2krmVnqsJxuu7L8ftu6j5gLouZITaLoofXmjZXdKmihrawBuDizY tuhEJ7zVSqBaT7G6iK8ZckM= X-Google-Smtp-Source: AMrXdXvL7hanGT1T1ZbT+ZacwQm3dlBDi8+nw4wDgXRp1QQbt4DzagEkee9xVp1F7Ltbp5BGj7kUjQ== X-Received: by 2002:a17:90a:b002:b0:229:932:a0f3 with SMTP id x2-20020a17090ab00200b002290932a0f3mr17793784pjq.27.1674262587454; Fri, 20 Jan 2023 16:56:27 -0800 (PST) Received: from fedora.hsd1.ca.comcast.net ([2601:644:8002:1c20::4e4b]) by smtp.googlemail.com with ESMTPSA id pc3-20020a17090b3b8300b001fde655225fsm11314371pjb.2.2023.01.20.16.56.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Jan 2023 16:56:27 -0800 (PST) From: "Vishal Moola (Oracle)" To: linux-mm@kvack.org Cc: akpm@linux-foundation.org, willy@infradead.org, sidhartha.kumar@oracle.com, linux-kernel@vger.kernel.org, "Vishal Moola (Oracle)" Subject: [PATCH 1/3] mm: Add folio_movable_ops() Date: Fri, 20 Jan 2023 16:56:20 -0800 Message-Id: <20230121005622.57808-2-vishal.moola@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230121005622.57808-1-vishal.moola@gmail.com> References: <20230121005622.57808-1-vishal.moola@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" folio_movable_ops() does the same as page_movable_ops() except uses folios instead of pages. This function will help make folio conversions in mm/migrate.c more readable. Signed-off-by: Vishal Moola (Oracle) --- include/linux/migrate.h | 9 +++++++++ mm/migrate.c | 2 +- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 3ef77f52a4f0..bdff950a8bb4 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -122,6 +122,15 @@ static inline bool folio_test_movable(struct folio *fo= lio) return PageMovable(&folio->page); } =20 +static inline +const struct movable_operations *folio_movable_ops(struct folio *folio) +{ + VM_BUG_ON(!__folio_test_movable(folio)); + + return (const struct movable_operations *) + ((unsigned long)folio->mapping - PAGE_MAPPING_MOVABLE); +} + static inline const struct movable_operations *page_movable_ops(struct page *page) { diff --git a/mm/migrate.c b/mm/migrate.c index a4d3fc65085f..4c1776445c74 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -973,7 +973,7 @@ static int move_to_new_folio(struct folio *dst, struct = folio *src, goto out; } =20 - mops =3D page_movable_ops(&src->page); + mops =3D folio_movable_ops(src); rc =3D mops->migrate_page(&dst->page, &src->page, mode); WARN_ON_ONCE(rc =3D=3D MIGRATEPAGE_SUCCESS && !folio_test_isolated(src)); --=20 2.38.1