summaryrefslogtreecommitdiff
path: root/include/linux/memblock.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/memblock.h')
-rw-r--r--include/linux/memblock.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 7aeec0cb4c27..0215ffd63069 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -24,6 +24,7 @@
enum {
MEMBLOCK_NONE = 0x0, /* No special request */
MEMBLOCK_HOTPLUG = 0x1, /* hotpluggable region */
+ MEMBLOCK_MIRROR = 0x2, /* mirrored region */
};
struct memblock_region {
@@ -78,6 +79,8 @@ int memblock_reserve(phys_addr_t base, phys_addr_t size);
void memblock_trim_memory(phys_addr_t align);
int memblock_mark_hotplug(phys_addr_t base, phys_addr_t size);
int memblock_clear_hotplug(phys_addr_t base, phys_addr_t size);
+int memblock_mark_mirror(phys_addr_t base, phys_addr_t size);
+ulong choose_memblock_flags(void);
/* Low level functions */
int memblock_add_range(struct memblock_type *type,
@@ -160,6 +163,11 @@ static inline bool movable_node_is_enabled(void)
}
#endif
+static inline bool memblock_is_mirror(struct memblock_region *m)
+{
+ return m->flags & MEMBLOCK_MIRROR;
+}
+
#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
int memblock_search_pfn_nid(unsigned long pfn, unsigned long *start_pfn,
unsigned long *end_pfn);