diff options
Diffstat (limited to 'mm/percpu-km.c')
| -rw-r--r-- | mm/percpu-km.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/mm/percpu-km.c b/mm/percpu-km.c index 89633fefc6a2..10e3d0b8a86d 100644 --- a/mm/percpu-km.c +++ b/mm/percpu-km.c @@ -33,17 +33,14 @@ #include <linux/log2.h> -static int pcpu_populate_chunk(struct pcpu_chunk *chunk, int off, int size) +static int pcpu_populate_chunk(struct pcpu_chunk *chunk, + int page_start, int page_end) { - unsigned int cpu; - - for_each_possible_cpu(cpu) - memset((void *)pcpu_chunk_addr(chunk, cpu, 0) + off, 0, size); - return 0; } -static void pcpu_depopulate_chunk(struct pcpu_chunk *chunk, int off, int size) +static void pcpu_depopulate_chunk(struct pcpu_chunk *chunk, + int page_start, int page_end) { /* nada */ } @@ -70,6 +67,11 @@ static struct pcpu_chunk *pcpu_create_chunk(void) chunk->data = pages; chunk->base_addr = page_address(pages) - pcpu_group_offsets[0]; + + spin_lock_irq(&pcpu_lock); + pcpu_chunk_populated(chunk, 0, nr_pages); + spin_unlock_irq(&pcpu_lock); + return chunk; } |