diff options
| -rw-r--r-- | kernel/events/ring_buffer.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index abc145cbfedf..246c83ac5643 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -754,6 +754,14 @@ static void *perf_mmap_alloc_page(int cpu) return page_address(page); } +static void perf_mmap_free_page(void *addr) +{ + struct page *page = virt_to_page(addr); + + page->mapping = NULL; + __free_page(page); +} + struct ring_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags) { struct ring_buffer *rb; @@ -788,9 +796,9 @@ struct ring_buffer *rb_alloc(int nr_pages, long watermark, int cpu, int flags) fail_data_pages: for (i--; i >= 0; i--) - free_page((unsigned long)rb->data_pages[i]); + perf_mmap_free_page(rb->data_pages[i]); - free_page((unsigned long)rb->user_page); + perf_mmap_free_page(rb->user_page); fail_user_page: kfree(rb); @@ -799,14 +807,6 @@ fail: return NULL; } -static void perf_mmap_free_page(void *addr) -{ - struct page *page = virt_to_page(addr); - - page->mapping = NULL; - __free_page(page); -} - void rb_free(struct ring_buffer *rb) { int i; |