From nobody Mon Jun 8 06:38:12 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 84A093644AF; Mon, 1 Jun 2026 11:04:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780311896; cv=none; b=k7x7cUR5/eWZ9GfqVVY40tkyYlJDNDCg2ZgYa0ij2w2OsIPk6JuoZhHp+8QUBuQcuUpZN8Os/tID1CzFpkZ9Tm3CB2Goce/R+UeD7dzDmR5p7gw+0m36Ue5NwSfcG3/VZS3NFEIcjrAVtEwGMz9+tfaL7g8wPG8GJiGAeSk7mOc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780311896; c=relaxed/simple; bh=FV+q7XGqoCOQPOH7l1wr6dffuUDRkEb4pOCZI+9wwsM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=DJ3Ir9EWyZsJFg0y8I07b4+XuwAmjiskO7ayUdlBM1YgPDK3ZduTBSmV08wYk0yHMPey+X9VPqu22W5aN7LNfO0j/vOrHV1DJOrZrfsOD9zhNFWZiT5kLqAbf3i3xGVDG56bpgvyEVufHsApxCTBL9tpirMrCDQ62piHeMoocTM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: b45cba625da911f1aa26b74ffac11d73-20260601 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:7a8b01ef-ce7f-4c3e-afdd-9491e2c62b7f,IP:10, URL:0,TC:0,Content:0,EDM:-20,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:-10 X-CID-INFO: VERSION:1.3.12,REQID:7a8b01ef-ce7f-4c3e-afdd-9491e2c62b7f,IP:10,UR L:0,TC:0,Content:0,EDM:-20,RT:0,SF:0,FILE:0,BULK:0,RULE:EDM_GE969F26,ACTIO N:release,TS:-10 X-CID-META: VersionHash:e7bac3a,CLOUDID:5f975c8c3e6bfe6541c7eecfa5b962dd,BulkI D:260601190449W6QGVN2M,BulkQuantity:0,Recheck:0,SF:10|38|66|78|101|102|127 |865|898,TC:nil,Content:0|15|50,EDM:1,IP:-2,URL:0,File:nil,RT:nil,Bulk:nil ,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE: 0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_AEC X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: b45cba625da911f1aa26b74ffac11d73-20260601 X-User: tanze@kylinos.cn Received: from desktop-od00ebi.localdomain [(116.128.244.169)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 1277608410; Mon, 01 Jun 2026 19:04:48 +0800 From: tanze To: linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: willy@infradead.org, akpm@linux-foundation.org, jack@suse.cz Subject: [PATCH v1] mm/filemap: use folio_next_index() for start Date: Mon, 1 Jun 2026 19:04:23 +0800 Message-ID: <20260601110425.44784-1-tanze@kylinos.cn> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Use folio_next_index() instead of open-coding folio->index + folio_nr_pages(folio) when updating @start in filemap_get_folios_contig(), filemap_get_folios_tag(), and filemap_get_folios_dirty(). Signed-off-by: tanze Reviewed-by: Jan Kara Reviewed-by: Matthew Wilcox (Oracle) --- mm/filemap.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/mm/filemap.c b/mm/filemap.c index 4e636647100c..e233d4a003ce 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2283,8 +2283,7 @@ unsigned filemap_get_folios_contig(struct address_spa= ce *mapping, goto put_folio; =20 if (!folio_batch_add(fbatch, folio)) { - nr =3D folio_nr_pages(folio); - *start =3D folio->index + nr; + *start =3D folio_next_index(folio); goto out; } xas_advance(&xas, folio_next_index(folio) - 1); @@ -2344,8 +2343,7 @@ unsigned filemap_get_folios_tag(struct address_space = *mapping, pgoff_t *start, if (xa_is_value(folio)) continue; if (!folio_batch_add(fbatch, folio)) { - unsigned long nr =3D folio_nr_pages(folio); - *start =3D folio->index + nr; + *start =3D folio_next_index(folio); goto out; } } @@ -2403,8 +2401,7 @@ unsigned filemap_get_folios_dirty(struct address_spac= e *mapping, pgoff_t *start, } } if (!folio_batch_add(fbatch, folio)) { - unsigned long nr =3D folio_nr_pages(folio); - *start =3D folio->index + nr; + *start =3D folio_next_index(folio); goto out; } } --=20 2.43.0