1 files changed, 20 insertions, 23 deletions

diff --git a/mm/memblock.c b/mm/memblock.c
index 6ecb0d937fb5..252b77bdf65e 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -715,16 +715,13 @@ int __init_memblock memblock_reserve(phys_addr_t base, phys_addr_t size)
 }
 
 /**
- * memblock_mark_hotplug - Mark hotpluggable memory with flag MEMBLOCK_HOTPLUG.
- * @base: the base phys addr of the region
- * @size: the size of the region
  *
- * This function isolates region [@base, @base + @size), and mark it with flag
- * MEMBLOCK_HOTPLUG.
+ * This function isolates region [@base, @base + @size), and sets/clears flag
  *
  * Return 0 on succees, -errno on failure.
  */
-int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size)
+static int __init_memblock memblock_setclr_flag(phys_addr_t base,
+                                phys_addr_t size, int set, int flag)
 {
         struct memblock_type *type = &memblock.memory;
         int i, ret, start_rgn, end_rgn;
@@ -734,37 +731,37 @@ int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size)
                 return ret;
 
         for (i = start_rgn; i < end_rgn; i++)
-                memblock_set_region_flags(&type->regions[i], MEMBLOCK_HOTPLUG);
+                if (set)
+                        memblock_set_region_flags(&type->regions[i], flag);
+                else
+                        memblock_clear_region_flags(&type->regions[i], flag);
 
         memblock_merge_regions(type);
         return 0;
 }
 
 /**
- * memblock_clear_hotplug - Clear flag MEMBLOCK_HOTPLUG for a specified region.
+ * memblock_mark_hotplug - Mark hotpluggable memory with flag MEMBLOCK_HOTPLUG.
  * @base: the base phys addr of the region
  * @size: the size of the region
  *
- * This function isolates region [@base, @base + @size), and clear flag
- * MEMBLOCK_HOTPLUG for the isolated regions.
+ * Return 0 on succees, -errno on failure.
+ */
+int __init_memblock memblock_mark_hotplug(phys_addr_t base, phys_addr_t size)
+{
+        return memblock_setclr_flag(base, size, 1, MEMBLOCK_HOTPLUG);
+}
+
+/**
+ * memblock_clear_hotplug - Clear flag MEMBLOCK_HOTPLUG for a specified region.
+ * @base: the base phys addr of the region
+ * @size: the size of the region
  *
  * Return 0 on succees, -errno on failure.
  */
 int __init_memblock memblock_clear_hotplug(phys_addr_t base, phys_addr_t size)
 {
-        struct memblock_type *type = &memblock.memory;
-        int i, ret, start_rgn, end_rgn;
-
-        ret = memblock_isolate_range(type, base, size, &start_rgn, &end_rgn);
-        if (ret)
-                return ret;
-
-        for (i = start_rgn; i < end_rgn; i++)
-                memblock_clear_region_flags(&type->regions[i],
-                                            MEMBLOCK_HOTPLUG);
-
-        memblock_merge_regions(type);
-        return 0;
+        return memblock_setclr_flag(base, size, 0, MEMBLOCK_HOTPLUG);
 }
 
 /**