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-rw-r--r--arch/x86/mm/discontig_32.c34
1 files changed, 6 insertions, 28 deletions
diff --git a/arch/x86/mm/discontig_32.c b/arch/x86/mm/discontig_32.c
index 914ccf983687..026201f143a8 100644
--- a/arch/x86/mm/discontig_32.c
+++ b/arch/x86/mm/discontig_32.c
@@ -164,16 +164,13 @@ static void __init allocate_pgdat(int nid)
164 } 164 }
165} 165}
166 166
167#ifdef CONFIG_DISCONTIGMEM
168/* 167/*
169 * In the discontig memory model, a portion of the kernel virtual area (KVA) 168 * In the DISCONTIGMEM and SPARSEMEM memory model, a portion of the kernel
170 * is reserved and portions of nodes are mapped using it. This is to allow 169 * virtual address space (KVA) is reserved and portions of nodes are mapped
171 * node-local memory to be allocated for structures that would normally require 170 * using it. This is to allow node-local memory to be allocated for
172 * ZONE_NORMAL. The memory is allocated with alloc_remap() and callers 171 * structures that would normally require ZONE_NORMAL. The memory is
173 * should be prepared to allocate from the bootmem allocator instead. This KVA 172 * allocated with alloc_remap() and callers should be prepared to allocate
174 * mechanism is incompatible with SPARSEMEM as it makes assumptions about the 173 * from the bootmem allocator instead.
175 * layout of memory that are broken if alloc_remap() succeeds for some of the
176 * map and fails for others
177 */ 174 */
178static unsigned long node_remap_start_pfn[MAX_NUMNODES]; 175static unsigned long node_remap_start_pfn[MAX_NUMNODES];
179static void *node_remap_end_vaddr[MAX_NUMNODES]; 176static void *node_remap_end_vaddr[MAX_NUMNODES];
@@ -290,25 +287,6 @@ static void init_remap_allocator(int nid)
290 (ulong) pfn_to_kaddr(highstart_pfn 287 (ulong) pfn_to_kaddr(highstart_pfn
291 + node_remap_offset[nid] + node_remap_size[nid])); 288 + node_remap_offset[nid] + node_remap_size[nid]));
292} 289}
293#else
294void *alloc_remap(int nid, unsigned long size)
295{
296 return NULL;
297}
298
299static unsigned long calculate_numa_remap_pages(void)
300{
301 return 0;
302}
303
304static void init_remap_allocator(int nid)
305{
306}
307
308void __init remap_numa_kva(void)
309{
310}
311#endif /* CONFIG_DISCONTIGMEM */
312 290
313extern void setup_bootmem_allocator(void); 291extern void setup_bootmem_allocator(void);
314unsigned long __init setup_memory(void) 292unsigned long __init setup_memory(void)