[PATCH] x86_64: Try to allocate node memmap near the end of node
This fixes problems with very large nodes (over 128GB) filling up all of
the first 4GB with their mem_map and not leaving enough space for the
swiotlb.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 993da8c..7155452 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -51,6 +51,9 @@
unsigned long size,
unsigned long align,
unsigned long goal);
+extern void * __init __alloc_bootmem_core(struct bootmem_data *bdata,
+ unsigned long size, unsigned long align, unsigned long goal,
+ unsigned long limit);
#ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
extern void __init reserve_bootmem (unsigned long addr, unsigned long size);
#define alloc_bootmem(x) \