Commit-ID:  030fc443aef663df71cd834331fd8f1ec10c30c0
Gitweb:     https://git.kernel.org/tip/030fc443aef663df71cd834331fd8f1ec10c30c0
Author:     Waiman Long <long...@redhat.com>
AuthorDate: Tue, 12 Feb 2019 09:54:13 -0500
Committer:  Ingo Molnar <mi...@kernel.org>
CommitDate: Wed, 13 Feb 2019 08:33:03 +0100

genirq: Add missing documentation for tot_count

Commit:

  1136b0728969 ("genirq: Avoid summation loops for /proc/stat")

adds a new irq_desc::tot_count field, without documenting it.
Add the missing piece of documentation.

Signed-off-by: Waiman Long <long...@redhat.com>
Cc: Alexey Dobriyan <adobri...@gmail.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Daniel Colascione <dan...@google.com>
Cc: Dave Chinner <da...@fromorbit.com>
Cc: Davidlohr Bueso <d...@stgolabs.net>
Cc: Kees Cook <keesc...@chromium.org>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Marc Zyngier <marc.zyng...@arm.com>
Cc: Matthew Wilcox <wi...@infradead.org>
Cc: Miklos Szeredi <mik...@szeredi.hu>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Randy Dunlap <rdun...@infradead.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Link: 
http://lkml.kernel.org/r/1549983253-19107-1-git-send-email-long...@redhat.com
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
 include/linux/irqdesc.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h
index 875c41b23f20..1d679feff3f6 100644
--- a/include/linux/irqdesc.h
+++ b/include/linux/irqdesc.h
@@ -28,6 +28,7 @@ struct pt_regs;
  * @core_internal_state__do_not_mess_with_it: core internal status information
  * @depth:             disable-depth, for nested irq_disable() calls
  * @wake_depth:                enable depth, for multiple irq_set_irq_wake() 
callers
+ * @tot_count:         stats field for non-percpu irqs
  * @irq_count:         stats field to detect stalled irqs
  * @last_unhandled:    aging timer for unhandled count
  * @irqs_unhandled:    stats field for spurious unhandled interrupts

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