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authorRafael J. Wysocki <rjw@sisk.pl>2012-07-18 23:58:24 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2012-07-18 23:58:24 +0200
commit823d93640927d739f7c918b73fe5ec494fb27e17 (patch)
treedea028ddd214541b76c1c26f5f21ddc46157e67e /kernel/trace/ring_buffer.c
parent7664e969359917ba3212c5d6efdec494eaf8586e (diff)
parentd9914cf66181b8aa0929775f5c6f675c6ebc3eb5 (diff)
downloadlinux-linaro-stable-823d93640927d739f7c918b73fe5ec494fb27e17.tar.gz
Merge branch 'fixes' into pm-sleep
The 'fixes' branch contains material the next commit depends on.
Diffstat (limited to 'kernel/trace/ring_buffer.c')
-rw-r--r--kernel/trace/ring_buffer.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 1d0f6a8a0e5e..f765465bffe4 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -1075,6 +1075,7 @@ rb_allocate_cpu_buffer(struct ring_buffer *buffer, int nr_pages, int cpu)
rb_init_page(bpage->page);
INIT_LIST_HEAD(&cpu_buffer->reader_page->list);
+ INIT_LIST_HEAD(&cpu_buffer->new_pages);
ret = rb_allocate_pages(cpu_buffer, nr_pages);
if (ret < 0)
@@ -1346,10 +1347,9 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages)
* If something was added to this page, it was full
* since it is not the tail page. So we deduct the
* bytes consumed in ring buffer from here.
- * No need to update overruns, since this page is
- * deleted from ring buffer and its entries are
- * already accounted for.
+ * Increment overrun to account for the lost events.
*/
+ local_add(page_entries, &cpu_buffer->overrun);
local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes);
}