diff options
| author | John Baldwin <jhb@FreeBSD.org> | 2018-09-06 20:29:40 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2018-09-06 20:29:40 +0000 |
| commit | 6a9648b5377839c1b03f13503c7064298cc7e36e (patch) | |
| tree | 2e1ef6bd3578ba23452a72f14f0dd1352a95d7eb /lib/libvmmapi | |
| parent | c56c7299c233fdcdf530f4b7ec4c3d0b14c42c09 (diff) | |
Notes
Diffstat (limited to 'lib/libvmmapi')
| -rw-r--r-- | lib/libvmmapi/vmmapi.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/libvmmapi/vmmapi.c b/lib/libvmmapi/vmmapi.c index 1d6f94b8b6db..6cfba69e23c2 100644 --- a/lib/libvmmapi/vmmapi.c +++ b/lib/libvmmapi/vmmapi.c @@ -362,7 +362,7 @@ vm_setup_memory(struct vmctx *ctx, size_t memsize, enum vm_mmap_style vms) size_t objsize, len; vm_paddr_t gpa; char *baseaddr, *ptr; - int error, flags; + int error; assert(vms == VM_MMAP_ALL); @@ -389,8 +389,7 @@ vm_setup_memory(struct vmctx *ctx, size_t memsize, enum vm_mmap_style vms) * and the adjoining guard regions. */ len = VM_MMAP_GUARD_SIZE + objsize + VM_MMAP_GUARD_SIZE; - flags = MAP_PRIVATE | MAP_ANON | MAP_NOCORE | MAP_ALIGNED_SUPER; - ptr = mmap(NULL, len, PROT_NONE, flags, -1, 0); + ptr = mmap(NULL, len, PROT_NONE, MAP_GUARD | MAP_ALIGNED_SUPER, -1, 0); if (ptr == MAP_FAILED) return (-1); @@ -492,8 +491,8 @@ vm_create_devmem(struct vmctx *ctx, int segid, const char *name, size_t len) * adjoining guard regions. */ len2 = VM_MMAP_GUARD_SIZE + len + VM_MMAP_GUARD_SIZE; - flags = MAP_PRIVATE | MAP_ANON | MAP_NOCORE | MAP_ALIGNED_SUPER; - base = mmap(NULL, len2, PROT_NONE, flags, -1, 0); + base = mmap(NULL, len2, PROT_NONE, MAP_GUARD | MAP_ALIGNED_SUPER, -1, + 0); if (base == MAP_FAILED) goto done; |