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-rw-r--r--arch/x86/mm/numa_32.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 847c164725f4..8518c678d83f 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -222,6 +222,41 @@ static void __init remap_numa_kva(void)
222 } 222 }
223} 223}
224 224
225#ifdef CONFIG_HIBERNATION
226/**
227 * resume_map_numa_kva - add KVA mapping to the temporary page tables created
228 * during resume from hibernation
229 * @pgd_base - temporary resume page directory
230 */
231void resume_map_numa_kva(pgd_t *pgd_base)
232{
233 int node;
234
235 for_each_online_node(node) {
236 unsigned long start_va, start_pfn, size, pfn;
237
238 start_va = (unsigned long)node_remap_start_vaddr[node];
239 start_pfn = node_remap_start_pfn[node];
240 size = node_remap_size[node];
241
242 printk(KERN_DEBUG "%s: node %d\n", __FUNCTION__, node);
243
244 for (pfn = 0; pfn < size; pfn += PTRS_PER_PTE) {
245 unsigned long vaddr = start_va + (pfn << PAGE_SHIFT);
246 pgd_t *pgd = pgd_base + pgd_index(vaddr);
247 pud_t *pud = pud_offset(pgd, vaddr);
248 pmd_t *pmd = pmd_offset(pud, vaddr);
249
250 set_pmd(pmd, pfn_pmd(start_pfn + pfn,
251 PAGE_KERNEL_LARGE_EXEC));
252
253 printk(KERN_DEBUG "%s: %08lx -> pfn %08lx\n",
254 __FUNCTION__, vaddr, start_pfn + pfn);
255 }
256 }
257}
258#endif
259
225static unsigned long calculate_numa_remap_pages(void) 260static unsigned long calculate_numa_remap_pages(void)
226{ 261{
227 int nid; 262 int nid;