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-rw-r--r--exec.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/exec.c b/exec.c
index dae50a1aa0..bad16e0613 100644
--- a/exec.c
+++ b/exec.c
@@ -70,6 +70,9 @@ AddressSpace address_space_memory;
MemoryRegion io_mem_rom, io_mem_notdirty;
static MemoryRegion io_mem_unassigned;
+/* RAM is pre-allocated and passed into qemu_ram_alloc_from_ptr */
+#define RAM_PREALLOC (1 << 0)
+
#endif
struct CPUTailQ cpus = QTAILQ_HEAD_INITIALIZER(cpus);
@@ -1325,7 +1328,7 @@ ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
new_block->fd = -1;
new_block->host = host;
if (host) {
- new_block->flags |= RAM_PREALLOC_MASK;
+ new_block->flags |= RAM_PREALLOC;
}
return ram_block_add(new_block);
}
@@ -1364,7 +1367,7 @@ void qemu_ram_free(ram_addr_t addr)
QTAILQ_REMOVE(&ram_list.blocks, block, next);
ram_list.mru_block = NULL;
ram_list.version++;
- if (block->flags & RAM_PREALLOC_MASK) {
+ if (block->flags & RAM_PREALLOC) {
;
} else if (xen_enabled()) {
xen_invalidate_map_cache_entry(block->host);
@@ -1396,7 +1399,7 @@ void qemu_ram_remap(ram_addr_t addr, ram_addr_t length)
offset = addr - block->offset;
if (offset < block->length) {
vaddr = block->host + offset;
- if (block->flags & RAM_PREALLOC_MASK) {
+ if (block->flags & RAM_PREALLOC) {
;
} else if (xen_enabled()) {
abort();