diff options
Diffstat (limited to 'sys/conf')
| -rw-r--r-- | sys/conf/NOTES | 7 | ||||
| -rw-r--r-- | sys/conf/files | 1 | ||||
| -rw-r--r-- | sys/conf/options | 3 |
3 files changed, 11 insertions, 0 deletions
diff --git a/sys/conf/NOTES b/sys/conf/NOTES index 0f9cdb5..fee10b5 100644 --- a/sys/conf/NOTES +++ b/sys/conf/NOTES @@ -309,6 +309,13 @@ options GDB options SYSCTL_DEBUG # +# DEBUG_MEMGUARD builds and enables memguard(9), a replacement allocator +# for the kernel used to detect modify-after-free scenarios. See the +# memguard(9) man page for more information on usage. +# +options DEBUG_MEMGUARD + +# # KTRACE enables the system-call tracing facility ktrace(2). To be more # SMP-friendly, KTRACE uses a worker thread to process most trace events # asynchronously to the thread generating the event. This requires a diff --git a/sys/conf/files b/sys/conf/files index 95c5011..90a8d48 100644 --- a/sys/conf/files +++ b/sys/conf/files @@ -1702,6 +1702,7 @@ vm/swap_pager.c standard vm/uma_core.c standard vm/uma_dbg.c standard vm/vm_contig.c standard +vm/memguard.c optional DEBUG_MEMGUARD vm/vm_fault.c standard vm/vm_glue.c standard vm/vm_init.c standard diff --git a/sys/conf/options b/sys/conf/options index 8398bd7..1c9ec6e 100644 --- a/sys/conf/options +++ b/sys/conf/options @@ -515,6 +515,9 @@ PQ_LARGECACHE opt_vmpage.h PQ_HUGECACHE opt_vmpage.h PQ_CACHESIZE opt_vmpage.h +# The MemGuard replacement allocator used for tamper-after-free detection +DEBUG_MEMGUARD opt_vm.h + # Standard SMP options SMP opt_global.h |
