From dbcb8981183592be129b2e624b7bcd4245e75fbc Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Tue, 10 Jun 2014 19:15:24 +0800 Subject: hostmem: add property to map memory with MAP_SHARED A new "share" property can be used with the "memory-file" backend to map memory with MAP_SHARED instead of MAP_PRIVATE. Signed-off-by: Paolo Bonzini Signed-off-by: Hu Tao Acked-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/exec/memory.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/exec/memory.h') diff --git a/include/exec/memory.h b/include/exec/memory.h index 1cf5981b2e..3d778d70f0 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -321,6 +321,7 @@ void memory_region_init_ram(MemoryRegion *mr, * @owner: the object that tracks the region's reference count * @name: the name of the region. * @size: size of the region. + * @share: %true if memory must be mmaped with the MAP_SHARED flag * @path: the path in which to allocate the RAM. * @errp: pointer to Error*, to store an error if it happens. */ @@ -328,6 +329,7 @@ void memory_region_init_ram_from_file(MemoryRegion *mr, struct Object *owner, const char *name, uint64_t size, + bool share, const char *path, Error **errp); #endif -- cgit 1.4.1