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da0a3ebf9a
[ Upstream commit03230edb0b] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>