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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-22 02:38:43 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-22 02:38:43 +0400 |
| commit | 5f033bb9bc5cb3bb37a79e3ef131f50ecdcb72b0 (patch) | |
| tree | 16c6fdc3fab80d88ea4d8fd7eb302097f97c062c /arch/x86/mm/numa_64.c | |
| parent | fd9be4ce2e1eb407a8152f823698cc0d652bbec8 (diff) | |
| parent | 34d0559178393547505ec9492321255405f4e441 (diff) | |
| download | linux-5f033bb9bc5cb3bb37a79e3ef131f50ecdcb72b0.tar.xz | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (77 commits)
x86: UV startup of slave cpus
x86: integrate pci-dma.c
x86: don't do dma if mask is NULL.
x86: return conditional to mmu
x86: remove kludge from x86_64
x86: unify gfp masks
x86: retry allocation if failed
x86: don't try to allocate from DMA zone at first
x86: use a fallback dev for i386
x86: use numa allocation function in i386
x86: remove virt_to_bus in pci-dma_64.c
x86: adjust dma_free_coherent for i386
x86: move bad_dma_address
x86: isolate coherent mapping functions
x86: move dma_coherent functions to pci-dma.c
x86: merge iommu initialization parameters
x86: merge dma_supported
x86: move pci fixup to pci-dma.c
x86: move x86_64-specific to common code.
x86: move initialization functions to pci-dma.c
...
Diffstat (limited to 'arch/x86/mm/numa_64.c')
| -rw-r--r-- | arch/x86/mm/numa_64.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index 2ea56f48f29b..cb3170186355 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -60,7 +60,7 @@ unsigned long __initdata nodemap_size; * -1 if node overlap or lost ram (shift too big) */ static int __init populate_memnodemap(const struct bootnode *nodes, - int numnodes, int shift) + int numnodes, int shift, int *nodeids) { unsigned long addr, end; int i, res = -1; @@ -76,7 +76,12 @@ static int __init populate_memnodemap(const struct bootnode *nodes, do { if (memnodemap[addr >> shift] != NUMA_NO_NODE) return -1; - memnodemap[addr >> shift] = i; + + if (!nodeids) + memnodemap[addr >> shift] = i; + else + memnodemap[addr >> shift] = nodeids[i]; + addr += (1UL << shift); } while (addr < end); res = 1; @@ -139,7 +144,8 @@ static int __init extract_lsb_from_nodes(const struct bootnode *nodes, return i; } -int __init compute_hash_shift(struct bootnode *nodes, int numnodes) +int __init compute_hash_shift(struct bootnode *nodes, int numnodes, + int *nodeids) { int shift; @@ -149,7 +155,7 @@ int __init compute_hash_shift(struct bootnode *nodes, int numnodes) printk(KERN_DEBUG "NUMA: Using %d for the hash shift.\n", shift); - if (populate_memnodemap(nodes, numnodes, shift) != 1) { + if (populate_memnodemap(nodes, numnodes, shift, nodeids) != 1) { printk(KERN_INFO "Your memory is not aligned you need to " "rebuild your kernel with a bigger NODEMAPSIZE " "shift=%d\n", shift); @@ -462,7 +468,7 @@ done: } } out: - memnode_shift = compute_hash_shift(nodes, num_nodes); + memnode_shift = compute_hash_shift(nodes, num_nodes, NULL); if (memnode_shift < 0) { memnode_shift = 0; printk(KERN_ERR "No NUMA hash function found. NUMA emulation " |