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Introduce new "256 Bucket" zone to split requests and reduce congestion

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on "128 Bucket" zone lock.

MFC after:	2 weeks
Sponsored by:	iXsystems, Inc.
This commit is contained in:
mav 2014-06-12 11:57:07 +00:00
parent 102863045b
commit 2bc26491c3
1 changed files with 2 additions and 1 deletions
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3
sys/vm/uma_core.c
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@ -205,7 +205,7 @@ struct uma_bucket_zone {
#define BUCKET_SIZE(n) \
(((sizeof(void *) * (n)) - sizeof(struct uma_bucket)) / sizeof(void *))
#define BUCKET_MAX BUCKET_SIZE(128)
#define BUCKET_MAX BUCKET_SIZE(256)
struct uma_bucket_zone bucket_zones[] = {
{ NULL, "4 Bucket", BUCKET_SIZE(4), 4096 },
@ -216,6 +216,7 @@ struct uma_bucket_zone bucket_zones[] = {
{ NULL, "32 Bucket", BUCKET_SIZE(32), 512 },
{ NULL, "64 Bucket", BUCKET_SIZE(64), 256 },
{ NULL, "128 Bucket", BUCKET_SIZE(128), 128 },
{ NULL, "256 Bucket", BUCKET_SIZE(256), 64 },
{ NULL, NULL, 0}
};