[PATCH 7/20] UML - Add back CONFIG_HZ

[Jeff Dike]

avoid-overflows-in-kernel-timec.patch makes CONFIG_HZ necessary for a
successful build.  UML lacks a definition, so this patch adds one.  It
also changes the hard-wired definition of HZ to CONFIG_HZ.

Note: this patch is a good idea even in the absence of hpa's time
fixes.

Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxxxxxx>
---
 arch/um/Kconfig        |    4 ++++
 include/asm-um/param.h |    2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

Index: linux-2.6.22/arch/um/Kconfig
===================================================================
--- linux-2.6.22.orig/arch/um/Kconfig	2008-01-01 17:32:04.000000000 -0500
+++ linux-2.6.22/arch/um/Kconfig	2008-01-02 11:16:44.000000000 -0500
@@ -68,6 +68,10 @@ config IRQ_RELEASE_METHOD
 	bool
 	default y
 
+config HZ
+	int
+	default 100
+
 menu "UML-specific options"
 
 config STATIC_LINK
Index: linux-2.6.22/include/asm-um/param.h
===================================================================
--- linux-2.6.22.orig/include/asm-um/param.h	2007-07-08 19:32:17.000000000 -0400
+++ linux-2.6.22/include/asm-um/param.h	2008-01-02 11:18:44.000000000 -0500
@@ -10,7 +10,7 @@
 #define MAXHOSTNAMELEN  64      /* max length of hostname */
 
 #ifdef __KERNEL__
-#define HZ 100
+#define HZ CONFIG_HZ
 #define USER_HZ	100	   /* .. some user interfaces are in "ticks" */
 #define CLOCKS_PER_SEC (USER_HZ)  /* frequency at which times() counts */
 #endif
--
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