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(parent: 7a8e76a) | patch
ring_buffer: add paranoid check for buffer page
authorSteven Rostedt <rostedt@goodmis.org>
Tue, 30 Sep 2008 03:02:39 +0000 (23:02 -0400)
committerIngo Molnar <mingo@elte.hu>
Tue, 14 Oct 2008 08:38:55 +0000 (10:38 +0200)
commita7b1374333407f409cf8df7e623b12490f073c84
treeecd83a07e17b6659896010adc7ceaa56eb08d12btree | snapshot (tar.gz zip)
parent7a8e76a3829f1067b70f715771ff88baf2fbf3c3commit | diff
ring_buffer: add paranoid check for buffer page

If for some strange reason the buffer_page gets bigger, or the page struct
gets smaller, I want to know this ASAP.  The best way is to not let the
kernel compile.

This patch adds code to test the size of the struct buffer_page against the
page struct and will cause compile issues if the buffer_page ever gets bigger
than the page struct.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/trace/ring_buffer.c diff | blob | blame | history