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authorZhang Yi <yi.z.zhang@linux.intel.com>2019-02-08 18:10:37 +0800
committerEduardo Habkost <ehabkost@redhat.com>2019-04-25 14:17:36 -0300
commit2ac0f1621c9be59eebc844fa10361a84fd726185 (patch)
treee59f5f6a3e8ca24ea2f34bdb1fb205c0bd0d4613 /util/mmap-alloc.c
parent5b863f3e2fade14ef0be01b2b690aac2c4fab477 (diff)
util/mmap-alloc: Add a 'is_pmem' parameter to qemu_ram_mmap
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>
Diffstat (limited to 'util/mmap-alloc.c')
-rw-r--r--util/mmap-alloc.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/util/mmap-alloc.c b/util/mmap-alloc.c
index 8565885420..9713f4b960 100644
--- a/util/mmap-alloc.c
+++ b/util/mmap-alloc.c
@@ -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;