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authorgjb <gjb@FreeBSD.org>2014-06-27 22:05:21 +0000
committergjb <gjb@FreeBSD.org>2014-06-27 22:05:21 +0000
commitfc21f40567ac7485e9e987cf5a539bd0d11c7155 (patch)
treefce5301b062a855bc68b9cb76c6b5966c5a2acbe /sys/vm/redzone.c
parent2f456747e010bfa5a9dd3498aa5650e0ade39f22 (diff)
downloadFreeBSD-src-fc21f40567ac7485e9e987cf5a539bd0d11c7155.zip
FreeBSD-src-fc21f40567ac7485e9e987cf5a539bd0d11c7155.tar.gz
Revert r267961, r267973:
These changes prevent sysctl(8) from returning proper output, such as: 1) no output from sysctl(8) 2) erroneously returning ENOMEM with tools like truss(1) or uname(1) truss: can not get etype: Cannot allocate memory
Diffstat (limited to 'sys/vm/redzone.c')
-rw-r--r--sys/vm/redzone.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/vm/redzone.c b/sys/vm/redzone.c
index a66a793..e4b5f6c 100644
--- a/sys/vm/redzone.c
+++ b/sys/vm/redzone.c
@@ -41,7 +41,8 @@ static u_long redzone_extra_mem = 0;
SYSCTL_ULONG(_vm_redzone, OID_AUTO, extra_mem, CTLFLAG_RD, &redzone_extra_mem,
0, "Extra memory allocated by redzone");
static int redzone_panic = 0;
-SYSCTL_INT(_vm_redzone, OID_AUTO, panic, CTLFLAG_RWTUN, &redzone_panic, 0,
+TUNABLE_INT("vm.redzone.panic", &redzone_panic);
+SYSCTL_INT(_vm_redzone, OID_AUTO, panic, CTLFLAG_RW, &redzone_panic, 0,
"Panic when buffer corruption is detected");
#define REDZONE_CHSIZE (16)
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