diff options
| author | Zhang Yi <yi.z.zhang@linux.intel.com> | 2019-02-08 18:10:37 +0800 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2019-04-25 14:17:36 -0300 |
| commit | 2ac0f1621c9be59eebc844fa10361a84fd726185 (patch) | |
| tree | e59f5f6a3e8ca24ea2f34bdb1fb205c0bd0d4613 /util | |
| parent | 5b863f3e2fade14ef0be01b2b690aac2c4fab477 (diff) | |
| download | qemu-2ac0f1621c9be59eebc844fa10361a84fd726185.zip | |
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')
| -rw-r--r-- | util/mmap-alloc.c | 6 | ||||
| -rw-r--r-- | util/oslib-posix.c | 2 |
2 files changed, 6 insertions, 2 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; diff --git a/util/oslib-posix.c b/util/oslib-posix.c index 88dda9cd39..d97b1717d5 100644 --- a/util/oslib-posix.c +++ b/util/oslib-posix.c @@ -203,7 +203,7 @@ void *qemu_memalign(size_t alignment, size_t size) void *qemu_anon_ram_alloc(size_t size, uint64_t *alignment, bool shared) { size_t align = QEMU_VMALLOC_ALIGN; - void *ptr = qemu_ram_mmap(-1, size, align, shared); + void *ptr = qemu_ram_mmap(-1, size, align, shared, false); if (ptr == MAP_FAILED) { return NULL; |