Messages in this thread Patch in this message | | | Date | Wed, 17 Jun 2009 19:25:57 -0400 | From | Steven Rostedt <> | Subject | [PATCH 2/7] ring-buffer: remove useless warn on check |
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From: Steven Rostedt <srostedt@redhat.com>
A check if "write > BUF_PAGE_SIZE" is done right after a
if (write > BUF_PAGE_SIZE) return ...;
Thus the check is actually testing the compiler and not the kernel. This is useless, remove it.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- kernel/trace/ring_buffer.c | 3 --- 1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 6b17a11..6cf340e 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1334,9 +1334,6 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, /* We reserved something on the buffer */ - if (RB_WARN_ON(cpu_buffer, write > BUF_PAGE_SIZE)) - return NULL; - event = __rb_page_index(tail_page, tail); rb_update_event(event, type, length); -- 1.6.3.1 --
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