[PATCH v2 1/6] util/oslib-win32: Use _aligned_malloc for qemu_try_memalign

[Richard Henderson <richard.henderson@linaro.org>]

We do not need or want to be allocating page sized quanta.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
Cc: Stefan Weil <sw@weilnetz.de>
---
 util/oslib-win32.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/util/oslib-win32.c b/util/oslib-win32.c
index c654dafd93..8d838bf342 100644
--- a/util/oslib-win32.c
+++ b/util/oslib-win32.c
@@ -56,10 +56,8 @@ void *qemu_try_memalign(size_t alignment, size_t size)
 {
     void *ptr;
 
-    if (!size) {
-        abort();
-    }
-    ptr = VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
+    assert(size != 0);
+    ptr = _aligned_malloc(alignment, size);
     trace_qemu_memalign(alignment, size, ptr);
     return ptr;
 }
@@ -93,9 +91,7 @@ void *qemu_anon_ram_alloc(size_t size, uint64_t *align, bool shared)
 void qemu_vfree(void *ptr)
 {
     trace_qemu_vfree(ptr);
-    if (ptr) {
-        VirtualFree(ptr, 0, MEM_RELEASE);
-    }
+    _aligned_free(ptr);
 }
 
 void qemu_anon_ram_free(void *ptr, size_t size)
-- 
2.25.1