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authorBorislav Petkov <bp@suse.de>2016-08-02 21:04:04 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-02 23:35:06 (GMT)
commit6b1d174b0c27b5de421eda55c2731f32b6bd9852 (patch)
tree3095928a9c579090ef8db9cb6df7125ec1c638db /mm/mm_init.c
parentb5644a153d2701ffc335cfb9ef49967bd5b6a3c2 (diff)
downloadlinux-6b1d174b0c27b5de421eda55c2731f32b6bd9852.tar.xz
ratelimit: extend to print suppressed messages on release
Extend the ratelimiting facility to print the amount of suppressed lines when it is being released. This use case is aimed at short-termed, burst-like users for which we want to output the suppressed lines stats only once, after it has been disposed of. For an example, see /dev/kmsg usage in a follow-on patch. Also, change the printk() line we issue on release to not use "callbacks" as it is misleading: we're not suppressing callbacks but printk() calls. This has been separated from a previous patch by Linus. Link: http://lkml.kernel.org/r/20160716061745.15795-2-bp@alien8.de Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Dave Young <dyoung@redhat.com> Cc: Franck Bui <fbui@suse.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mm_init.c')
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