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author | Ingo Molnar <mingo@elte.hu> | 2008-12-04 11:05:26 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-12-04 11:05:26 +0100 |
commit | c0515566f3117c44b0572559bcc3cb00899b0910 (patch) | |
tree | 3c7e36ed6e78812b9276a81d6b3a2e80788003c5 /arch/x86/mm | |
parent | 4385cecf1f5866fb33fc95e2ee26a44e9b6f6be2 (diff) | |
parent | 061e41fdb5047b1fb161e89664057835935ca1d2 (diff) | |
download | op-kernel-dev-c0515566f3117c44b0572559bcc3cb00899b0910.zip op-kernel-dev-c0515566f3117c44b0572559bcc3cb00899b0910.tar.gz |
Merge commit 'v2.6.28-rc7' into x86/cleanups
Diffstat (limited to 'arch/x86/mm')
-rw-r--r-- | arch/x86/mm/numa_32.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c index 847c164..8518c67 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) } } +#ifdef CONFIG_HIBERNATION +/** + * resume_map_numa_kva - add KVA mapping to the temporary page tables created + * during resume from hibernation + * @pgd_base - temporary resume page directory + */ +void resume_map_numa_kva(pgd_t *pgd_base) +{ + int node; + + for_each_online_node(node) { + unsigned long start_va, start_pfn, size, pfn; + + start_va = (unsigned long)node_remap_start_vaddr[node]; + start_pfn = node_remap_start_pfn[node]; + size = node_remap_size[node]; + + printk(KERN_DEBUG "%s: node %d\n", __FUNCTION__, node); + + for (pfn = 0; pfn < size; pfn += PTRS_PER_PTE) { + unsigned long vaddr = start_va + (pfn << PAGE_SHIFT); + pgd_t *pgd = pgd_base + pgd_index(vaddr); + pud_t *pud = pud_offset(pgd, vaddr); + pmd_t *pmd = pmd_offset(pud, vaddr); + + set_pmd(pmd, pfn_pmd(start_pfn + pfn, + PAGE_KERNEL_LARGE_EXEC)); + + printk(KERN_DEBUG "%s: %08lx -> pfn %08lx\n", + __FUNCTION__, vaddr, start_pfn + pfn); + } + } +} +#endif + static unsigned long calculate_numa_remap_pages(void) { int nid; |