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selinux: increase avtab max buckets
Now that we can safely increase the avtab max buckets without triggering high order allocations and have a hash function that will make better use of the larger number of buckets, increase the max buckets to 2^16. Original: 101421 entries and 2048/2048 buckets used, longest chain length 374 With new hash function: 101421 entries and 2048/2048 buckets used, longest chain length 81 With increased max buckets: 101421 entries and 31078/32768 buckets used, longest chain length 12 Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Paul Moore <pmoore@redhat.com>
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@ -86,7 +86,7 @@ struct avtab_node *avtab_search_node_next(struct avtab_node *node, int specified
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void avtab_cache_init(void);
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void avtab_cache_destroy(void);
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#define MAX_AVTAB_HASH_BITS 11
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#define MAX_AVTAB_HASH_BITS 16
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#define MAX_AVTAB_HASH_BUCKETS (1 << MAX_AVTAB_HASH_BITS)
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#endif /* _SS_AVTAB_H_ */
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