X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=mm%2Fmemblock.c;h=b8d9147e5c084de3264fc49ea93c95e22eddf49d;hb=6e8489dffd57c8e1afdac3da971604140492de9e;hp=88adc8afb6103d6c1ba2eb7e20c1ed226cf2b1d3;hpb=c157750a901d767ecb95f1dbabd0972dee396b1e;p=cascardo%2Flinux.git

diff --git a/mm/memblock.c b/mm/memblock.c
index 88adc8afb610..b8d9147e5c08 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -828,6 +828,23 @@ phys_addr_t __init memblock_phys_mem_size(void)
 	return memblock.memory.total_size;
 }
 
+phys_addr_t __init memblock_mem_size(unsigned long limit_pfn)
+{
+	unsigned long pages = 0;
+	struct memblock_region *r;
+	unsigned long start_pfn, end_pfn;
+
+	for_each_memblock(memory, r) {
+		start_pfn = memblock_region_memory_base_pfn(r);
+		end_pfn = memblock_region_memory_end_pfn(r);
+		start_pfn = min_t(unsigned long, start_pfn, limit_pfn);
+		end_pfn = min_t(unsigned long, end_pfn, limit_pfn);
+		pages += end_pfn - start_pfn;
+	}
+
+	return (phys_addr_t)pages << PAGE_SHIFT;
+}
+
 /* lowest address */
 phys_addr_t __init_memblock memblock_start_of_DRAM(void)
 {