Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
maple_tree: use percpu sheaves for maple_node_cache
Setup the maple_node_cache with percpu sheaves of size 32 to hopefully
improve its performance. Note this will not immediately take advantage
of sheaf batching of kfree_rcu() operations due to the maple tree using
call_rcu with custom callbacks. The followup changes to maple tree will
change that and also make use of the prefilled sheaves functionality.
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
+7
-2
+7
-2
lib/maple_tree.c
+7
-2
lib/maple_tree.c
···
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void __init maple_tree_init(void)
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{
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+
struct kmem_cache_args args = {
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+
.align = sizeof(struct maple_node),
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+
.sheaf_capacity = 32,
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+
};
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+
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maple_node_cache = kmem_cache_create("maple_node",
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-
sizeof(struct maple_node), sizeof(struct maple_node),
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-
SLAB_PANIC, NULL);
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+
sizeof(struct maple_node), &args,
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+
SLAB_PANIC);
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}
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/**