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Diffstat (limited to 'include/linux/memblock.h')
-rw-r--r--include/linux/memblock.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 5984fff3f175..cbf46f56d105 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -30,7 +30,9 @@ extern unsigned long long max_possible_pfn;
* @MEMBLOCK_NONE: no special request
* @MEMBLOCK_HOTPLUG: hotpluggable region
* @MEMBLOCK_MIRROR: mirrored region
- * @MEMBLOCK_NOMAP: don't add to kernel direct mapping
+ * @MEMBLOCK_NOMAP: don't add to kernel direct mapping and treat as
+ * reserved in the memory map; refer to memblock_mark_nomap() description
+ * for further details
*/
enum memblock_flags {
MEMBLOCK_NONE = 0x0, /* No special request */
@@ -50,7 +52,7 @@ struct memblock_region {
phys_addr_t base;
phys_addr_t size;
enum memblock_flags flags;
-#ifdef CONFIG_NEED_MULTIPLE_NODES
+#ifdef CONFIG_NUMA
int nid;
#endif
};
@@ -347,7 +349,7 @@ int __init deferred_page_init_max_threads(const struct cpumask *node_cpumask);
int memblock_set_node(phys_addr_t base, phys_addr_t size,
struct memblock_type *type, int nid);
-#ifdef CONFIG_NEED_MULTIPLE_NODES
+#ifdef CONFIG_NUMA
static inline void memblock_set_region_node(struct memblock_region *r, int nid)
{
r->nid = nid;
@@ -366,7 +368,7 @@ static inline int memblock_get_region_node(const struct memblock_region *r)
{
return 0;
}
-#endif /* CONFIG_NEED_MULTIPLE_NODES */
+#endif /* CONFIG_NUMA */
/* Flags for memblock allocation APIs */
#define MEMBLOCK_ALLOC_ANYWHERE (~(phys_addr_t)0)