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ceph: fix incorrect kmalloc size of pagevec mempool

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The kmalloc size of pagevec mempool is incorrectly calculated.
It misses the size of page pointer and only accounts the number for the array.

Fixes: a0102bda5b ("ceph: move sb->wb_pagevec_pool to be a global mempool")
Signed-off-by: ethanwu <ethanwu@synology.com>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
ethanwu 2024-07-11 14:47:56 +08:00 committed by Ilya Dryomov
parent 578eb54c4a
commit 03230edb0b
1 changed files with 2 additions and 1 deletions
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3
fs/ceph/super.c
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@ -961,7 +961,8 @@ static int __init init_caches(void)
if (!ceph_mds_request_cachep)
goto bad_mds_req;
ceph_wb_pagevec_pool = mempool_create_kmalloc_pool(10, CEPH_MAX_WRITE_SIZE >> PAGE_SHIFT);
ceph_wb_pagevec_pool = mempool_create_kmalloc_pool(10,
(CEPH_MAX_WRITE_SIZE >> PAGE_SHIFT) * sizeof(struct page *));
if (!ceph_wb_pagevec_pool)
goto bad_pagevec_pool;