motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-09-09 00:07:57 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

util/mmap-alloc: Add a 'is_pmem' parameter to qemu_ram_mmap

Browse source 
besides the existing 'shared' flags, we are going to add
'is_pmem' to qemu_ram_mmap(), which indicated the memory backend
file is a persist memory.

Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Signed-off-by: Zhang Yi <yi.z.zhang@linux.intel.com>
Reviewed-by: Pankaj Gupta <pagupta@redhat.com>
Message-Id: <786c46862cfeb253ee0ea2f44d62ffe76edb7fa4.1549555521.git.yi.z.zhang@linux.intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Pankaj Gupta <pagupta@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Zhang Yi 2019-02-08 18:10:37 +08:00 • committed by Eduardo Habkost
parent 5b863f3e2f
commit 2ac0f1621c
4 changed files with 27 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

6
util/mmap-alloc.c
View file

@ -75,7 +75,11 @@ size_t qemu_mempath_getpagesize(const char *mem_path)
return getpagesize();
}
void *qemu_ram_mmap(int fd, size_t size, size_t align, bool shared)
void *qemu_ram_mmap(int fd,
size_t size,
size_t align,
bool shared,
bool is_pmem)
{
int flags;
int guardfd;