Author: mav
Date: Sun Jun 22 21:19:19 2014
New Revision: 267751
URL: http://svnweb.freebsd.org/changeset/base/267751
Log:
MFC r267391:
Introduce new "256 Bucket" zone to split requests and reduce congestion
on "128 Bucket" zone lock.
Modified:
stable/10/sys/vm/uma_core.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/vm/uma_core.c
==============================================================================
--- stable/10/sys/vm/uma_core.c Sun Jun 22 21:18:24 2014 (r267750)
+++ stable/10/sys/vm/uma_core.c Sun Jun 22 21:19:19 2014 (r267751)
@@ -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}
};
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