dm thin: reduce endio_hook pool size
Reduce the slab size used for the dm_thin_endio_hook mempool. Allocation has been seen to fail on machines with smaller amounts of memory due to fragmentation. lvm: page allocation failure. order:5, mode:0xd0 device-mapper: table: 253:38: thin-pool: Error creating pool's endio_hook mempool Cc: stable@vger.kernel.org Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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@ -19,7 +19,7 @@
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/*
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/*
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* Tunable constants
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* Tunable constants
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*/
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*/
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#define ENDIO_HOOK_POOL_SIZE 10240
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#define ENDIO_HOOK_POOL_SIZE 1024
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#define DEFERRED_SET_SIZE 64
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#define DEFERRED_SET_SIZE 64
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#define MAPPING_POOL_SIZE 1024
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#define MAPPING_POOL_SIZE 1024
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#define PRISON_CELLS 1024
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#define PRISON_CELLS 1024
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