From: Marcelo Tosatti <[EMAIL PROTECTED]>
Signed-off-by: Marcelo Tosatti <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/qemu/vl.c b/qemu/vl.c
index 3f6eca3..8cb827b 100644
--- a/qemu/vl.c
+++ b/qemu/vl.c
@@ -8748,11 +8748,13 @@ void *alloc_mem_area(unsigned long memory, const char
*path)
memory = (memory+hpagesize-1) & ~(hpagesize-1);
- if (ftruncate(fd, memory) == -1) {
- perror("ftruncate");
- close(fd);
- return NULL;
- }
+ /*
+ * ftruncate is not supported by hugetlbfs in older
+ * hosts, so don't bother checking for errors.
+ * If anything goes wrong with it under other filesystems,
+ * mmap will fail.
+ */
+ ftruncate(fd, memory);
area = mmap(0, memory, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
if (area == MAP_FAILED) {
-------------------------------------------------------------------------
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