Author: markj
Date: Thu Jun 6 16:26:58 2019
New Revision: 348747
URL: https://svnweb.freebsd.org/changeset/base/348747
Log:
Add sysctls for uma_kmem_{limit,total}.
Reviewed by: alc, dougm, kib
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D20514
Modified:
head/sys/vm/uma_core.c
Modified: head/sys/vm/uma_core.c
==============================================================================
--- head/sys/vm/uma_core.c Thu Jun 6 16:23:44 2019 (r348746)
+++ head/sys/vm/uma_core.c Thu Jun 6 16:26:58 2019 (r348747)
@@ -144,9 +144,16 @@ static int boot_pages;
static struct sx uma_drain_lock;
-/* kmem soft limit. */
+/*
+ * kmem soft limit, initialized by uma_set_limit(). Ensure that early
+ * allocations don't trigger a wakeup of the reclaim thread.
+ */
static unsigned long uma_kmem_limit = LONG_MAX;
+SYSCTL_ULONG(_vm, OID_AUTO, uma_kmem_limit, CTLFLAG_RD, &uma_kmem_limit, 0,
+ "UMA kernel memory soft limit");
static unsigned long uma_kmem_total;
+SYSCTL_ULONG(_vm, OID_AUTO, uma_kmem_total, CTLFLAG_RD, &uma_kmem_total, 0,
+ "UMA kernel memory usage");
/* Is the VM done starting up? */
static enum { BOOT_COLD = 0, BOOT_STRAPPED, BOOT_PAGEALLOC, BOOT_BUCKETS,
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
