git: d19687c97de4 - stable/13 - vm_overcommit: put into __read_mostly section

The branch stable/13 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=d19687c97de473e0841c4fb0cc4984be8a44292c

commit d19687c97de473e0841c4fb0cc4984be8a44292c
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2022-09-13 10:00:12 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2022-09-30 00:29:09 +0000

    vm_overcommit: put into __read_mostly section
    
    (cherry picked from commit ccdaa1ab1c5fec116d02cad37626d13fbdf77352)
---
 sys/vm/swap_pager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/vm/swap_pager.c b/sys/vm/swap_pager.c
index 36d2bd0adf0e..67dc093f1e94 100644
--- a/sys/vm/swap_pager.c
+++ b/sys/vm/swap_pager.c
@@ -169,7 +169,7 @@ SYSCTL_PROC(_vm, OID_AUTO, swap_total, CTLTYPE_U64 | CTLFLAG_RD | CTLFLAG_MPSAFE
     &swap_total, 0, sysctl_page_shift, "A", 
     "Total amount of available swap storage.");
 
-int vm_overcommit = 0;
+int vm_overcommit __read_mostly = 0;
 SYSCTL_INT(_vm, VM_OVERCOMMIT, overcommit, CTLFLAG_RW, &vm_overcommit, 0,
     "Configure virtual memory overcommit behavior. See tuning(7) "
     "for details.");