NFS: Fix bool initialization/comparison

[sagit-ice-cold/kernel_xiaomi_msm8998.git] / mm / memblock.c

diff --git a/mm/memblock.c b/mm/memblock.c
index d300f13..f8fab45 100644 (file)
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1634,6 +1634,30 @@ static void __init_memblock memblock_dump(struct memblock_type *type, char *name
        }
 }
 
+extern unsigned long __init_memblock
+memblock_reserved_memory_within(phys_addr_t start_addr, phys_addr_t end_addr)
+{
+       struct memblock_type *type = &memblock.reserved;
+       unsigned long size = 0;
+       int idx;
+
+       for (idx = 0; idx < type->cnt; idx++) {
+               struct memblock_region *rgn = &type->regions[idx];
+               phys_addr_t start, end;
+
+               if (rgn->base + rgn->size < start_addr)
+                       continue;
+               if (rgn->base > end_addr)
+                       continue;
+
+               start = rgn->base;
+               end = start + rgn->size;
+               size += end - start;
+       }
+
+       return size;
+}
+
 void __init_memblock __memblock_dump_all(void)
 {
        pr_info("MEMBLOCK configuration:\n");