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;