Commit 2aea4fb6 authored by Paul Jackson's avatar Paul Jackson Committed by Linus Torvalds
Browse files

[PATCH] CONFIG_VM_EVENT_COUNTER comment decrustify 



The VM event counters, enabled by CONFIG_VM_EVENT_COUNTERS, which provides
VM event counters in /proc/vmstat, has become more essential to
non-EMBEDDED kernel configurations than they were in the past.  Comments in
the code and the Kconfig configuration explanation were stale, downplaying
their role excessively.

Refresh those comments to correctly reflect the current role of VM event
counters.

Signed-off-by: default avatarPaul Jackson <pj@sgi.com>
Acked-by: default avatarChristoph Lameter <clameter@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 0b76e20b

include/linux/vmstat.h

+3 −2
Original line number Diff line number Diff line
@@ -10,8 +10,9 @@ 
/*

 * Light weight per cpu counter implementation.

 *

 * Counters should only be incremented and no critical kernel component

 * should rely on the counter values.

 * Counters should only be incremented.  You need to set EMBEDDED

 * to disable VM_EVENT_COUNTERS.  Things like procps (vmstat,

 * top, etc) use /proc/vmstat and depend on these counters.

 *

 * Counters are handled completely inline. On many platforms the code

 * generated will simply be the increment of a global address.

init/Kconfig

+4 −4
Original line number Diff line number Diff line
@@ -461,10 +461,10 @@ config VM_EVENT_COUNTERS 
	default y

	bool "Enable VM event counters for /proc/vmstat" if EMBEDDED

	help

	  VM event counters are only needed to for event counts to be

	  shown. They have no function for the kernel itself. This

	  option allows the disabling of the VM event counters.

	  /proc/vmstat will only show page counts.

	  VM event counters are needed for event counts to be shown.

	  This option allows the disabling of the VM event counters

	  on EMBEDDED systems.  /proc/vmstat will only show page counts

	  if VM event counters are disabled.



endmenu		# General setup

CRA Git | Maintained and supported by SUSTech CRA and CCSE