diff options
Diffstat (limited to 'mm/percpu-vm.c')
| -rw-r--r-- | mm/percpu-vm.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c index ee5d89fcd66f..2054c9213c43 100644 --- a/mm/percpu-vm.c +++ b/mm/percpu-vm.c @@ -303,6 +303,9 @@ static int pcpu_populate_chunk(struct pcpu_chunk *chunk, * For each cpu, depopulate and unmap pages [@page_start,@page_end) * from @chunk. * + * Caller is required to call pcpu_post_unmap_tlb_flush() if not returning the + * region back to vmalloc() which will lazily flush the tlb. + * * CONTEXT: * pcpu_alloc_mutex. */ @@ -324,8 +327,6 @@ static void pcpu_depopulate_chunk(struct pcpu_chunk *chunk, pcpu_unmap_pages(chunk, pages, page_start, page_end); - /* no need to flush tlb, vmalloc will handle it lazily */ - pcpu_free_pages(chunk, pages, page_start, page_end); } |