From nobody Mon May 25 00:55:35 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 AF3E337D11C; Wed, 20 May 2026 08:16:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779264971; cv=none; b=hC24cHAZC3GiUiwaGQjubcXPX9t8dCuN1zaRjiNNwKNAKsT2RP9sng8YVS23Z9K/+xBcWL0gS+Nzk3p+lwKfguwcdT81pmRDGLkqwq91Qe4LlU+i2PMmmBs5tuQVc2GqLgQJvrWrRPXkg03kvp2trhJUdNahQY/2JapND4RaqCs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779264971; c=relaxed/simple; bh=iVaqBtFYBCE5KYG/yGAvVZf7o0sXkVHrzQo9ScdcIiA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=tKmKhwRS0/o6MjYxjYCIXlW2UM/OuHsk+A9U2VK7MOuhGD/A4CLBloGblRxxwyHh6qTBwLwspECAuqolz3B4IpEK46P/pkpLDRWkdkNAnqIIqKVcJrk6QGy9p6I2nbM2B150RlqWRl19Oi5ftNyI0xeVjdo6y391pzm16pju/OE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DrFPXo7B; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DrFPXo7B" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 278B51F000E9; Wed, 20 May 2026 08:16:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779264970; bh=8cLE9GJnLxVk1PO/q0NbGrn9yaBQPal5piuLn9fXCpo=; h=From:Date:Subject:To:Cc; b=DrFPXo7B++pdx3NrXXms9mMsON/Ok7u2SsjXcACX1DaKEI1JD2MdNdgKjQiBy1iP+ gKv8O9DPKetOJstx20jQX1sP7IJx7t1y/HR7J/AqWicvkNkRpSTxKT/f1dsN8sw3cy uB1KHEzTX5jjmXDf0d1BsS9bfMxA4D+W94p2fmkNxdjhgprzSuT/Wl6RgNpdgagFss dY0KYxEtWhwqIa0LZs9up/9z0/yeMF4GViFaHt2xNttm2IUhfxnxMeL6pqNp17CvHM m0+NFDUXYb2TCQKpHX9wfRI1CsA6hm8pIBQq59YqkeFQqWV7IsxSrcgf2akTPijpHm 1y/+tO++sgJfw== From: "Mike Rapoport (Microsoft)" Date: Wed, 20 May 2026 11:15:52 +0300 Subject: [PATCH] block: partitions: replace __get_free_page() with kmalloc() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260520-block-v1-1-6463dc2cf042@kernel.org> X-B4-Tracking: v=1; b=H4sIALdtDWoC/yWMQQ6DIBBFr2Jm3Ukphtb0Ko0LwEGpFgxjGxPj3 QW7fD/vvw2YkieGZ7VBop9nH0OG26UCO+jQE/ouM0gh70JJgWaKdkSpVCMfqnZd3UB250TOr2f n1f6Zv+ZNdinnYhjNhCbpYIcy9W7GJeL40VMOXs8q7PsB2IcTPpAAAAA= X-Change-ID: 20260520-block-25582753fd38 To: Jens Axboe Cc: Mike Rapoport , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2038; i=rppt@kernel.org; h=from:subject:message-id; bh=iVaqBtFYBCE5KYG/yGAvVZf7o0sXkVHrzQo9ScdcIiA=; b=owEBbQGS/pANAwAKATkDhibLDv2RAcsmYgBqDW3FFxdymUm74+B5Ltlyqex2ijloRdLMdORm0 p2SqhAPO8uJATMEAAEKAB0WIQR45VhVpZkvn3TRr+k5A4Ymyw79kQUCag1txQAKCRA5A4Ymyw79 kbSfB/40Fp7YEG2dDGt/X0/HW800n7ahFnLVCASurAwFITkTWouSdJmXfW7Q5yN3DXeXpe7J9fY 5LiCpvqfIomNQY9GNKwa0SDRYb9MMZPD8/l5ovQYoeNqAyE/ZkkHl+PZTzsfXuIgxqnfpIrtbxY WK/+VhPxvau9u+gBYousFs8a73T2fMNNt6zjC44KpXn61rrV/nXt1iSZcGhTmOL8ZD4X1uyRWpd Lpirl5zEla1UoklSDYdvwq9Wtv0blWB6gIbr7zbhUmwLNmhUYE18DVXzo29rYjwprjXWIoaZKMI oILc8Tg+Dkp5URyIzO1PO1Uin9i1qO8d0EFxo9zsilFDYIAz X-Developer-Key: i=rppt@kernel.org; a=openpgp; fpr=B8E96E880C4A40C3C1255AA8C532392DE6DA7CE9 check_partition() allocates a buffer to use as backing buffer for seq_buf. This buffer can be allocated with kmalloc() as there's nothing special about it to go directly to the page allocator. Replace use of __get_free_page() with kmalloc() and free_page() with kfree(). Link: https://lore.kernel.org/all/635405e4-9423-4a25-a6e7-e03c8ea0bcbe@redh= at.com Signed-off-by: Mike Rapoport (Microsoft) --- This is a (tiny) part of larger work of replacing page allocator calls with kmalloc: Also in git: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git gfp-to-kmall= oc/block Signed-off-by: Mike Rapoport --- block/partitions/core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/block/partitions/core.c b/block/partitions/core.c index 5d5332ce586b..b5c59b79ca7c 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -124,7 +124,7 @@ static struct parsed_partitions *check_partition(struct= gendisk *hd) state =3D allocate_partitions(hd); if (!state) return NULL; - state->pp_buf.buffer =3D (char *)__get_free_page(GFP_KERNEL); + state->pp_buf.buffer =3D kmalloc(PAGE_SIZE, GFP_KERNEL); if (!state->pp_buf.buffer) { free_partitions(state); return NULL; @@ -154,7 +154,7 @@ static struct parsed_partitions *check_partition(struct= gendisk *hd) if (res > 0) { printk(KERN_INFO "%s", seq_buf_str(&state->pp_buf)); =20 - free_page((unsigned long)state->pp_buf.buffer); + kfree(state->pp_buf.buffer); return state; } if (state->access_beyond_eod) @@ -170,7 +170,7 @@ static struct parsed_partitions *check_partition(struct= gendisk *hd) printk(KERN_INFO "%s", seq_buf_str(&state->pp_buf)); } =20 - free_page((unsigned long)state->pp_buf.buffer); + kfree(state->pp_buf.buffer); free_partitions(state); return ERR_PTR(res); } --- base-commit: 5d6919055dec134de3c40167a490f33c74c12581 change-id: 20260520-block-25582753fd38 Best regards, -- =20 Sincerely yours, Mike.