[PATCH] ia64: Selectable Timer Interrupt Frequency

It allows a selectable timer interrupt frequency of 100, 250 and 1000 HZ. Reducing the timer frequency may have important performance benefits on large systems. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
git-mirror · Jun 23, 2005 · b5d23e5 · b5d23e5
1 parent 5912100
commit b5d23e5
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diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
@@ -161,6 +161,8 @@ config IA64_PAGE_SIZE_64KB
 
 endchoice
 
+source kernel/Kconfig.hz
+
 config IA64_BRL_EMU
 	bool
 	depends on ITANIUM

diff --git a/include/asm-ia64/param.h b/include/asm-ia64/param.h
@@ -27,7 +27,7 @@
    */
 #  define HZ	  32
 # else
-#  define HZ	1024
+#  define HZ	CONFIG_HZ
 # endif
 # define USER_HZ	HZ
 # define CLOCKS_PER_SEC	HZ	/* frequency at which times() counts */