Author: kib
Date: Sun May 22 23:28:23 2016
New Revision: 300440
URL: https://svnweb.freebsd.org/changeset/base/300440
Log:
Mark swap-related proc sysctls as not requiring Giant.
Reviewed by: alc (as part of larger patch)
Sponsored by: The FreeBSD Foundation
Modified:
head/sys/vm/swap_pager.c
Modified: head/sys/vm/swap_pager.c
==============================================================================
--- head/sys/vm/swap_pager.c Sun May 22 23:25:01 2016 (r300439)
+++ head/sys/vm/swap_pager.c Sun May 22 23:28:23 2016 (r300440)
@@ -325,8 +325,9 @@ static int nsw_wcount_async_max;/* assig
static int nsw_cluster_max; /* maximum VOP I/O allowed */
static int sysctl_swap_async_max(SYSCTL_HANDLER_ARGS);
-SYSCTL_PROC(_vm, OID_AUTO, swap_async_max, CTLTYPE_INT | CTLFLAG_RW,
- NULL, 0, sysctl_swap_async_max, "I", "Maximum running async swap ops");
+SYSCTL_PROC(_vm, OID_AUTO, swap_async_max, CTLTYPE_INT | CTLFLAG_RW |
+ CTLFLAG_MPSAFE, NULL, 0, sysctl_swap_async_max, "I",
+ "Maximum running async swap ops");
static struct swblock **swhash;
static int swhash_mask;
@@ -2356,7 +2357,8 @@ sysctl_vm_swap_info(SYSCTL_HANDLER_ARGS)
SYSCTL_INT(_vm, OID_AUTO, nswapdev, CTLFLAG_RD, &nswapdev, 0,
"Number of swap devices");
-SYSCTL_NODE(_vm, OID_AUTO, swap_info, CTLFLAG_RD, sysctl_vm_swap_info,
+SYSCTL_NODE(_vm, OID_AUTO, swap_info, CTLFLAG_RD | CTLFLAG_MPSAFE,
+ sysctl_vm_swap_info,
"Swap statistics by device");
/*
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