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| author | Tejun Heo <tj@kernel.org> | 2011-04-05 02:23:56 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2011-04-07 04:57:33 +0400 |
| commit | 2a286344f06d6341740b284494379373e87648f7 (patch) | |
| tree | 6675240cacfaeb24741ed01092eb029725ab8c18 /arch/x86/mm/numa_32.c | |
| parent | 0e9f93c1c04c8ab10cc564df54a7ad0f83c67796 (diff) | |
| download | linux-2a286344f06d6341740b284494379373e87648f7.tar.xz | |
x86-32, numa: Move remapping for remap allocator into init_alloc_remap()
There's no reason to perform the actual remapping separately.
Collapse remap_numa_kva() into init_alloc_remap() and, while at it,
make it less verbose.
Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1301955840-7246-11-git-send-email-tj@kernel.org
Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/mm/numa_32.c')
| -rw-r--r-- | arch/x86/mm/numa_32.c | 29 |
1 files changed, 7 insertions, 22 deletions
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c index 12bb34c434ea..53ec13a17b9a 100644 --- a/arch/x86/mm/numa_32.c +++ b/arch/x86/mm/numa_32.c @@ -205,26 +205,6 @@ void *alloc_remap(int nid, unsigned long size) return allocation; } -static void __init remap_numa_kva(void) -{ - void *vaddr; - unsigned long pfn; - int node; - - for_each_online_node(node) { - printk(KERN_DEBUG "remap_numa_kva: node %d\n", node); - for (pfn=0; pfn < node_remap_size[node]; pfn += PTRS_PER_PTE) { - vaddr = node_remap_start_vaddr[node]+(pfn<<PAGE_SHIFT); - printk(KERN_DEBUG "remap_numa_kva: %08lx to pfn %08lx\n", - (unsigned long)vaddr, - node_remap_start_pfn[node] + pfn); - set_pmd_pfn((ulong) vaddr, - node_remap_start_pfn[node] + pfn, - PAGE_KERNEL_LARGE); - } - } -} - #ifdef CONFIG_HIBERNATION /** * resume_map_numa_kva - add KVA mapping to the temporary page tables created @@ -262,7 +242,7 @@ void resume_map_numa_kva(pgd_t *pgd_base) static __init unsigned long init_alloc_remap(int nid, unsigned long offset) { - unsigned long size; + unsigned long size, pfn; u64 node_pa, remap_pa; void *remap_va; @@ -308,6 +288,12 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset) memblock_x86_reserve_range(remap_pa, remap_pa + size, "KVA PG"); remap_va = phys_to_virt(remap_pa); + /* perform actual remap */ + for (pfn = 0; pfn < size >> PAGE_SHIFT; pfn += PTRS_PER_PTE) + set_pmd_pfn((unsigned long)remap_va + (pfn << PAGE_SHIFT), + (node_pa >> PAGE_SHIFT) + pfn, + PAGE_KERNEL_LARGE); + /* initialize remap allocator parameters */ node_remap_start_pfn[nid] = node_pa >> PAGE_SHIFT; node_remap_size[nid] = size >> PAGE_SHIFT; @@ -363,7 +349,6 @@ void __init initmem_init(void) (ulong) pfn_to_kaddr(max_low_pfn)); for_each_online_node(nid) allocate_pgdat(nid); - remap_numa_kva(); printk(KERN_DEBUG "High memory starts at vaddr %08lx\n", (ulong) pfn_to_kaddr(highstart_pfn)); |