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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() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit 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; 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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@redhat.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-kmalloc/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 = allocate_partitions(hd); if (!state) return NULL; - state->pp_buf.buffer = (char *)__get_free_page(GFP_KERNEL); + state->pp_buf.buffer = 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)); - 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)); } - 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, -- Sincerely yours, Mike.