[PATCH] x86_64: sparsemem does not need node_mem_map
Seems we are trying to init the node_mem_map when we don't need to, for
example when SPARSEMEM is enabled. This causes the error below during
compilation. Use CONFIG_FLAT_NODE_MEM_MAP to gate allocation and init.
arch/x86_64/mm/numa.c: In function `setup_node_zones':
arch/x86_64/mm/numa.c:191: error: structure has no member
named `node_mem_map'
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Acked-by: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index cc02573..b2fac14 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -188,11 +188,13 @@
memory. */
memmapsize = sizeof(struct page) * (end_pfn-start_pfn);
limit = end_pfn << PAGE_SHIFT;
+#ifdef CONFIG_FLAT_NODE_MEM_MAP
NODE_DATA(nodeid)->node_mem_map =
__alloc_bootmem_core(NODE_DATA(nodeid)->bdata,
memmapsize, SMP_CACHE_BYTES,
round_down(limit - memmapsize, PAGE_SIZE),
limit);
+#endif
size_zones(zones, holes, start_pfn, end_pfn);
free_area_init_node(nodeid, NODE_DATA(nodeid), zones,