Merge remote-tracking branch 'origin/master' into perf/core

Further perf/core patches will depend on:

  d3f7b1bb2040 ("mm/gup: fix gup_fast with dynamic page table folding")

which is already in Linus' tree.

1 files changed, 12 insertions, 7 deletions

diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c
index b18e775f8be3..2416a9f91533 100644
--- a/arch/openrisc/kernel/setup.c
+++ b/arch/openrisc/kernel/setup.c
@@ -48,17 +48,12 @@ static void __init setup_memory(void)
 	unsigned long ram_start_pfn;
 	unsigned long ram_end_pfn;
 	phys_addr_t memory_start, memory_end;
-	struct memblock_region *region;
 
 	memory_end = memory_start = 0;
 
 	/* Find main memory where is the kernel, we assume its the only one */
-	for_each_memblock(memory, region) {
-		memory_start = region->base;
-		memory_end = region->base + region->size;
-		printk(KERN_INFO "%s: Memory: 0x%x-0x%x\n", __func__,
-		       memory_start, memory_end);
-	}
+	memory_start = memblock_start_of_DRAM();
+	memory_end = memblock_end_of_DRAM();
 
 	if (!memory_end) {
 		panic("No memory!");
@@ -80,6 +75,16 @@ static void __init setup_memory(void)
 	 */
 	memblock_reserve(__pa(_stext), _end - _stext);
 
+#ifdef CONFIG_BLK_DEV_INITRD
+	/* Then reserve the initrd, if any */
+	if (initrd_start && (initrd_end > initrd_start)) {
+		unsigned long aligned_start = ALIGN_DOWN(initrd_start, PAGE_SIZE);
+		unsigned long aligned_end = ALIGN(initrd_end, PAGE_SIZE);
+
+		memblock_reserve(__pa(aligned_start), aligned_end - aligned_start);
+	}
+#endif /* CONFIG_BLK_DEV_INITRD */
+
 	early_init_fdt_reserve_self();
 	early_init_fdt_scan_reserved_mem();