kernel26-alx/patches-2.6.17-r5/0015-2.6.17-hz-no_default_250.patch

Make 250 HZ a value that is not selected by default and give some better
recommendations in help.

Signed-off-by: Con Kolivas <kernel@kolivas.org>

 kernel/Kconfig.hz |   15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

Index: linux-ck-dev/kernel/Kconfig.hz
===================================================================
--- linux-ck-dev.orig/kernel/Kconfig.hz	2006-06-18 15:23:58.000000000 +1000
+++ linux-ck-dev/kernel/Kconfig.hz	2006-06-18 15:24:28.000000000 +1000
@@ -21,14 +21,17 @@ choice
 	help
 	  100 HZ is a typical choice for servers, SMP and NUMA systems
 	  with lots of processors that may show reduced performance if
-	  too many timer interrupts are occurring.
+	  too many timer interrupts are occurring. Laptops may also show
+	  improved battery life.
 
-	config HZ_250
+	config HZ_250_NODEFAULT
 		bool "250 HZ"
 	help
-	 250 HZ is a good compromise choice allowing server performance
-	 while also showing good interactive responsiveness even
-	 on SMP and NUMA systems.
+	 250 HZ is a lousy compromise choice allowing server interactivity
+	 while also showing desktop throughput and no extra power saving on
+	 laptops. Good for when you can't make up your mind.
+
+	 Recommend 100 or 1000 instead.
 
 	config HZ_1000
 		bool "1000 HZ"
@@ -41,6 +44,6 @@ endchoice
 config HZ
 	int
 	default 100 if HZ_100
-	default 250 if HZ_250
+	default 250 if HZ_250_NODEFAULT
 	default 1000 if HZ_1000
 
1	niro	199	Make 250 HZ a value that is not selected by default and give some better
2			recommendations in help.
3
4			Signed-off-by: Con Kolivas <kernel@kolivas.org>
5
6			kernel/Kconfig.hz \| 15 +++++++++------
7			1 files changed, 9 insertions(+), 6 deletions(-)
8
9			Index: linux-ck-dev/kernel/Kconfig.hz
10			===================================================================
11			--- linux-ck-dev.orig/kernel/Kconfig.hz 2006-06-18 15:23:58.000000000 +1000
12			+++ linux-ck-dev/kernel/Kconfig.hz 2006-06-18 15:24:28.000000000 +1000
13			@@ -21,14 +21,17 @@ choice
14			help
15			100 HZ is a typical choice for servers, SMP and NUMA systems
16			with lots of processors that may show reduced performance if
17			- too many timer interrupts are occurring.
18			+ too many timer interrupts are occurring. Laptops may also show
19			+ improved battery life.
20
21			- config HZ_250
22			+ config HZ_250_NODEFAULT
23			bool "250 HZ"
24			help
25			- 250 HZ is a good compromise choice allowing server performance
26			- while also showing good interactive responsiveness even
27			- on SMP and NUMA systems.
28			+ 250 HZ is a lousy compromise choice allowing server interactivity
29			+ while also showing desktop throughput and no extra power saving on
30			+ laptops. Good for when you can't make up your mind.
31			+
32			+ Recommend 100 or 1000 instead.
33
34			config HZ_1000
35			bool "1000 HZ"
36			@@ -41,6 +44,6 @@ endchoice
37			config HZ
38			int
39			default 100 if HZ_100
40			- default 250 if HZ_250
41			+ default 250 if HZ_250_NODEFAULT
42			default 1000 if HZ_1000
43