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-rw-r--r--util/mmap-alloc.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/util/mmap-alloc.c b/util/mmap-alloc.c
index 890fda6a35..e6fa8b598b 100644
--- a/util/mmap-alloc.c
+++ b/util/mmap-alloc.c
@@ -87,7 +87,8 @@ void *qemu_ram_mmap(int fd,
size_t align,
bool readonly,
bool shared,
- bool is_pmem)
+ bool is_pmem,
+ off_t map_offset)
{
int prot;
int flags;
@@ -150,7 +151,8 @@ void *qemu_ram_mmap(int fd,
prot = PROT_READ | (readonly ? 0 : PROT_WRITE);
- ptr = mmap(guardptr + offset, size, prot, flags | map_sync_flags, fd, 0);
+ ptr = mmap(guardptr + offset, size, prot,
+ flags | map_sync_flags, fd, map_offset);
if (ptr == MAP_FAILED && map_sync_flags) {
if (errno == ENOTSUP) {
@@ -174,7 +176,7 @@ void *qemu_ram_mmap(int fd,
* if map failed with MAP_SHARED_VALIDATE | MAP_SYNC,
* we will remove these flags to handle compatibility.
*/
- ptr = mmap(guardptr + offset, size, prot, flags, fd, 0);
+ ptr = mmap(guardptr + offset, size, prot, flags, fd, map_offset);
}
if (ptr == MAP_FAILED) {