svn commit: r213919 - stable/8/sys/kern
Andriy Gapon
avg at FreeBSD.org
Sat Oct 16 11:19:31 UTC 2010
Author: avg
Date: Sat Oct 16 11:19:31 2010
New Revision: 213919
URL: http://svn.freebsd.org/changeset/base/213919
Log:
MFC r213527: vm.kmem_map_size: a sysctl to query current kmem_map->size
Modified:
stable/8/sys/kern/kern_malloc.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/kern/kern_malloc.c
==============================================================================
--- stable/8/sys/kern/kern_malloc.c Sat Oct 16 10:45:36 2010 (r213918)
+++ stable/8/sys/kern/kern_malloc.c Sat Oct 16 11:19:31 2010 (r213919)
@@ -197,6 +197,11 @@ static u_int vm_kmem_size_scale;
SYSCTL_UINT(_vm, OID_AUTO, kmem_size_scale, CTLFLAG_RDTUN, &vm_kmem_size_scale, 0,
"Scale factor for kernel memory size");
+static int sysctl_kmem_map_size(SYSCTL_HANDLER_ARGS);
+SYSCTL_PROC(_vm, OID_AUTO, kmem_map_size,
+ CTLFLAG_RD | CTLTYPE_ULONG | CTLFLAG_MPSAFE, NULL, 0,
+ sysctl_kmem_map_size, "LU", "Current kmem_map allocation size");
+
/*
* The malloc_mtx protects the kmemstatistics linked list.
*/
@@ -233,6 +238,15 @@ SYSCTL_INT(_debug_malloc, OID_AUTO, fail
&malloc_failure_count, 0, "Number of imposed M_NOWAIT malloc failures");
#endif
+static int
+sysctl_kmem_map_size(SYSCTL_HANDLER_ARGS)
+{
+ u_long size;
+
+ size = kmem_map->size;
+ return (sysctl_handle_long(oidp, &size, 0, req));
+}
+
int
malloc_last_fail(void)
{
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