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| author |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-22 19:32:00 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-07-22 19:32:00 +0100 |
| commit | 3384fb98845dc014770caa224d61a2effd258ca5 (patch) | |
| tree | 8189134a4938632e2d06e93af04c9fc1f3c2d4c9 /kernel/trace/ring_buffer.c | |
| parent | Merge branches 'regulator-core', 'regulator-dt' and 'regulator-dummy' into regulator-next (diff) | |
| parent | regulator: add new lp8788 regulator driver (diff) | |
| download | wireguard-linux-3384fb98845dc014770caa224d61a2effd258ca5.tar.xz wireguard-linux-3384fb98845dc014770caa224d61a2effd258ca5.zip | |
Merge branch 'regulator-drivers' into regulator-next
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 6 |
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); } |