diff options
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index d157dae8c9f3..b06a9636d971 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1130,19 +1130,20 @@ EXPORT_SYMBOL(nr_pagecache); DEFINE_PER_CPU(long, nr_pagecache_local) = 0; #endif -void __get_page_state(struct page_state *ret, int nr) +void __get_page_state(struct page_state *ret, int nr, cpumask_t *cpumask) { int cpu = 0; memset(ret, 0, sizeof(*ret)); + cpus_and(*cpumask, *cpumask, cpu_online_map); - cpu = first_cpu(cpu_online_map); + cpu = first_cpu(*cpumask); while (cpu < NR_CPUS) { unsigned long *in, *out, off; in = (unsigned long *)&per_cpu(page_states, cpu); - cpu = next_cpu(cpu, cpu_online_map); + cpu = next_cpu(cpu, *cpumask); if (cpu < NR_CPUS) prefetch(&per_cpu(page_states, cpu)); @@ -1153,19 +1154,33 @@ void __get_page_state(struct page_state *ret, int nr) } } +void get_page_state_node(struct page_state *ret, int node) +{ + int nr; + cpumask_t mask = node_to_cpumask(node); + + nr = offsetof(struct page_state, GET_PAGE_STATE_LAST); + nr /= sizeof(unsigned long); + + __get_page_state(ret, nr+1, &mask); +} + void get_page_state(struct page_state *ret) { int nr; + cpumask_t mask = CPU_MASK_ALL; nr = offsetof(struct page_state, GET_PAGE_STATE_LAST); nr /= sizeof(unsigned long); - __get_page_state(ret, nr + 1); + __get_page_state(ret, nr + 1, &mask); } void get_full_page_state(struct page_state *ret) { - __get_page_state(ret, sizeof(*ret) / sizeof(unsigned long)); + cpumask_t mask = CPU_MASK_ALL; + + __get_page_state(ret, sizeof(*ret) / sizeof(unsigned long), &mask); } unsigned long __read_page_state(unsigned long offset) |