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| author | Tejun Heo <tj@kernel.org> | 2009-08-14 15:00:50 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2009-08-14 15:00:50 +0900 |
| commit | 3cbc85652767c38b252c8de55f9fd180b29e4c0d (patch) | |
| tree | ccfedb764830dbd4a90b9517a9ad365af694c01f | |
| parent | 1d9d32572163b30be81dbe1409dfa7ea9763d0e8 (diff) | |
| download | linux-3cbc85652767c38b252c8de55f9fd180b29e4c0d.tar.bz2 | |
percpu: add @align to pcpu_fc_alloc_fn_t
pcpu_fc_alloc_fn_t is about to see more interesting usage, add @align
parameter.
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | arch/x86/kernel/setup_percpu.c | 4 | ||||
| -rw-r--r-- | include/linux/percpu.h | 3 | ||||
| -rw-r--r-- | mm/percpu.c | 4 |
3 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 8aad486c688f..660cde133141 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -126,9 +126,9 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size, /* * Helpers for first chunk memory allocation */ -static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size) +static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align) { - return pcpu_alloc_bootmem(cpu, size, size); + return pcpu_alloc_bootmem(cpu, size, align); } static void __init pcpu_fc_free(void *ptr, size_t size) diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 0cfdd14d096a..d385dbcf190b 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -71,7 +71,8 @@ extern const char *pcpu_fc_names[PCPU_FC_NR]; extern enum pcpu_fc pcpu_chosen_fc; -typedef void * (*pcpu_fc_alloc_fn_t)(unsigned int cpu, size_t size); +typedef void * (*pcpu_fc_alloc_fn_t)(unsigned int cpu, size_t size, + size_t align); typedef void (*pcpu_fc_free_fn_t)(void *ptr, size_t size); typedef void (*pcpu_fc_populate_pte_fn_t)(unsigned long addr); typedef int (pcpu_fc_cpu_distance_fn_t)(unsigned int from, unsigned int to); diff --git a/mm/percpu.c b/mm/percpu.c index 287f59cc5fb9..3316e3aac7ee 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1578,7 +1578,7 @@ ssize_t __init pcpu_page_first_chunk(size_t reserved_size, for (i = 0; i < unit_pages; i++) { void *ptr; - ptr = alloc_fn(cpu, PAGE_SIZE); + ptr = alloc_fn(cpu, PAGE_SIZE, PAGE_SIZE); if (!ptr) { pr_warning("PERCPU: failed to allocate %s page " "for cpu%u\n", psize_str, cpu); @@ -1888,7 +1888,7 @@ ssize_t __init pcpu_lpage_first_chunk(size_t reserved_size, size_t dyn_size, goto found; continue; found: - ptr = alloc_fn(cpu, lpage_size); + ptr = alloc_fn(cpu, lpage_size, lpage_size); if (!ptr) { pr_warning("PERCPU: failed to allocate large page " "for cpu%u\n", cpu); |