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-rw-r--r--src/vlib/unix/physmem.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/vlib/unix/physmem.c b/src/vlib/unix/physmem.c
index 933cc63b7f4..27a5bacffb0 100644
--- a/src/vlib/unix/physmem.c
+++ b/src/vlib/unix/physmem.c
@@ -155,7 +155,8 @@ htlb_init (vlib_main_t * vm)
pm->heap = mheap_alloc_with_flags (pm->mem, pm->mem_size,
/* Don't want mheap mmap/munmap with IO memory. */
- MHEAP_FLAG_DISABLE_VM);
+ MHEAP_FLAG_DISABLE_VM |
+ MHEAP_FLAG_THREAD_SAFE);
cur = pointer_to_uword (pm->mem);
i = 0;