vm.kmem_map_size: a sysctl to query current kmem_map->size
Based on a patch from Sandvine Incorporated via emaste. Reviewed by: emaste MFC after: 1 week
This commit is contained in:
parent
68f7a01392
commit
7814c80a5b
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=213527
@ -202,6 +202,11 @@ 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.
|
||||
*/
|
||||
@ -240,6 +245,15 @@ SYSCTL_INT(_debug_malloc, OID_AUTO, failure_count, CTLFLAG_RD,
|
||||
&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));
|
||||
}
|
||||
|
||||
/*
|
||||
* malloc(9) uma zone separation -- sub-page buffer overruns in one
|
||||
* malloc type will affect only a subset of other malloc types.
|
||||
|
Loading…
Reference in New Issue
Block a user