diff options
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/lib/libvmmapi/common/vmmapi.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/usr/src/lib/libvmmapi/common/vmmapi.c b/usr/src/lib/libvmmapi/common/vmmapi.c index 7ded3a82b5..c34bb60de6 100644 --- a/usr/src/lib/libvmmapi/common/vmmapi.c +++ b/usr/src/lib/libvmmapi/common/vmmapi.c @@ -455,6 +455,14 @@ vm_setup_memory(struct vmctx *ctx, size_t memsize, enum vm_mmap_style vms) */ len = VM_MMAP_GUARD_SIZE + objsize + VM_MMAP_GUARD_SIZE; flags = MAP_PRIVATE | MAP_ANON | MAP_NOCORE | MAP_ALIGNED_SUPER; +#ifndef __FreeBSD__ + /* + * There is no need to reserve swap for the guest physical memory and + * guard regions. Actual memory is allocated and mapped later through + * vm_alloc_memseg() and setup_memory_segment(). + */ + flags |= MAP_NORESERVE; +#endif ptr = mmap(NULL, len, PROT_NONE, flags, -1, 0); if (ptr == MAP_FAILED) return (-1); |