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| author | Brian Gerst <brgerst@gmail.com> | 2009-01-27 12:56:47 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2009-01-27 12:56:47 +0900 |
| commit | 74631a248dc2c2129a96f6b8b706ed54bb5c3d3c (patch) | |
| tree | 53e1fa4c8a6605c11fea863542c6b4e26dd6c385 /arch/x86/kernel/setup_percpu.c | |
| parent | 2f2f52bad72f5e1ca5d1b9ad00a7b57a8cbd9159 (diff) | |
| download | op-kernel-dev-74631a248dc2c2129a96f6b8b706ed54bb5c3d3c.zip op-kernel-dev-74631a248dc2c2129a96f6b8b706ed54bb5c3d3c.tar.gz | |
x86: always page-align per-cpu area start and size
Impact: cleanup
The way the code is written, align is always PAGE_SIZE. Simplify
the code by removing the align variable.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'arch/x86/kernel/setup_percpu.c')
| -rw-r--r-- | arch/x86/kernel/setup_percpu.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 7bebdba..5d4a496 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -69,15 +69,12 @@ EXPORT_SYMBOL(__per_cpu_offset); */ void __init setup_per_cpu_areas(void) { - ssize_t size, old_size; + ssize_t size; char *ptr; int cpu; - unsigned long align = 1; /* Copy section for each CPU (we discard the original) */ - old_size = PERCPU_ENOUGH_ROOM; - align = max_t(unsigned long, PAGE_SIZE, align); - size = roundup(old_size, align); + size = roundup(PERCPU_ENOUGH_ROOM, PAGE_SIZE); pr_info("NR_CPUS:%d nr_cpumask_bits:%d nr_cpu_ids:%d nr_node_ids:%d\n", NR_CPUS, nr_cpumask_bits, nr_cpu_ids, nr_node_ids); @@ -86,20 +83,17 @@ void __init setup_per_cpu_areas(void) for_each_possible_cpu(cpu) { #ifndef CONFIG_NEED_MULTIPLE_NODES - ptr = __alloc_bootmem(size, align, - __pa(MAX_DMA_ADDRESS)); + ptr = alloc_bootmem_pages(size); #else int node = early_cpu_to_node(cpu); if (!node_online(node) || !NODE_DATA(node)) { - ptr = __alloc_bootmem(size, align, - __pa(MAX_DMA_ADDRESS)); + ptr = alloc_bootmem_pages(size); pr_info("cpu %d has no node %d or node-local memory\n", cpu, node); pr_debug("per cpu data for cpu%d at %016lx\n", cpu, __pa(ptr)); } else { - ptr = __alloc_bootmem_node(NODE_DATA(node), size, align, - __pa(MAX_DMA_ADDRESS)); + ptr = alloc_bootmem_pages_node(NODE_DATA(node), size); pr_debug("per cpu data for cpu%d on node%d at %016lx\n", cpu, node, __pa(ptr)); } |
