diff options
| -rw-r--r-- | util/oslib-win32.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/util/oslib-win32.c b/util/oslib-win32.c index bb5ad28..25dd159 100644 --- a/util/oslib-win32.c +++ b/util/oslib-win32.c @@ -67,15 +67,24 @@ void *qemu_memalign(size_t alignment, size_t size) return qemu_oom_check(qemu_try_memalign(alignment, size)); } +static int get_allocation_granularity(void) +{ + SYSTEM_INFO system_info; + + GetSystemInfo(&system_info); + return system_info.dwAllocationGranularity; +} + void *qemu_anon_ram_alloc(size_t size, uint64_t *align, bool shared) { void *ptr; - /* FIXME: this is not exactly optimal solution since VirtualAlloc - has 64Kb granularity, but at least it guarantees us that the - memory is page aligned. */ ptr = VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE); trace_qemu_anon_ram_alloc(size, ptr); + + if (ptr && align) { + *align = MAX(get_allocation_granularity(), getpagesize()); + } return ptr; } |