From ec74e361f1e71a2498e48b62abdc4bd8d2423354 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Wed, 13 Jul 2005 11:48:45 +0000
Subject: [PATCH] Mark a few variables __read_mostly.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
 arch/mips/kernel/setup.c | 9 +++++----
 arch/mips/kernel/time.c  | 9 ++++++---
 arch/mips/mm/c-r4k.c     | 8 +++++++-
 3 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 9253dccefd07..d86affa21278 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -37,12 +37,13 @@
 
 #include <asm/addrspace.h>
 #include <asm/bootinfo.h>
+#include <asm/cache.h>
 #include <asm/cpu.h>
 #include <asm/sections.h>
 #include <asm/setup.h>
 #include <asm/system.h>
 
-struct cpuinfo_mips cpu_data[NR_CPUS];
+struct cpuinfo_mips cpu_data[NR_CPUS] __read_mostly;
 
 EXPORT_SYMBOL(cpu_data);
 
@@ -62,8 +63,8 @@ EXPORT_SYMBOL(PCI_DMA_BUS_IS_PHYS);
  *
  * These are initialized so they are in the .data section
  */
-unsigned long mips_machtype = MACH_UNKNOWN;
-unsigned long mips_machgroup = MACH_GROUP_UNKNOWN;
+unsigned long mips_machtype __read_mostly = MACH_UNKNOWN;
+unsigned long mips_machgroup __read_mostly = MACH_GROUP_UNKNOWN;
 
 EXPORT_SYMBOL(mips_machtype);
 EXPORT_SYMBOL(mips_machgroup);
@@ -77,7 +78,7 @@ static char command_line[CL_SIZE];
  * mips_io_port_base is the begin of the address space to which x86 style
  * I/O ports are mapped.
  */
-const unsigned long mips_io_port_base = -1;
+const unsigned long mips_io_port_base __read_mostly = -1;
 EXPORT_SYMBOL(mips_io_port_base);
 
 /*
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index 0dd0df7a3b04..fbc153c8f833 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -25,6 +25,7 @@
 #include <linux/module.h>
 
 #include <asm/bootinfo.h>
+#include <asm/cache.h>
 #include <asm/compiler.h>
 #include <asm/cpu.h>
 #include <asm/cpu-features.h>
@@ -76,7 +77,7 @@ int (*rtc_set_mmss)(unsigned long);
 static unsigned int sll32_usecs_per_cycle;
 
 /* how many counter cycles in a jiffy */
-static unsigned long cycles_per_jiffy;
+static unsigned long cycles_per_jiffy __read_mostly;
 
 /* Cycle counter value at the previous timer interrupt.. */
 static unsigned int timerhi, timerlo;
@@ -98,7 +99,10 @@ static unsigned int null_hpt_read(void)
 	return 0;
 }
 
-static void null_hpt_init(unsigned int count) { /* nothing */ }
+static void null_hpt_init(unsigned int count)
+{
+	/* nothing */
+}
 
 
 /*
@@ -224,7 +228,6 @@ int do_settimeofday(struct timespec *tv)
 	set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
 
 	ntp_clear();
-
 	write_sequnlock_irq(&xtime_lock);
 	clock_was_set();
 	return 0;
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 08d7229a0688..d3e352fb3243 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -16,6 +16,7 @@
 
 #include <asm/bcache.h>
 #include <asm/bootinfo.h>
+#include <asm/cache.h>
 #include <asm/cacheops.h>
 #include <asm/cpu.h>
 #include <asm/cpu-features.h>
@@ -28,7 +29,12 @@
 #include <asm/war.h>
 #include <asm/cacheflush.h> /* for run_uncached() */
 
-static unsigned long icache_size, dcache_size, scache_size;
+/*
+ * Must die.
+ */
+static unsigned long icache_size __read_mostly;
+static unsigned long dcache_size __read_mostly;
+static unsigned long scache_size __read_mostly;
 
 /*
  * Dummy cache handling routines for machines without boardcaches
-- 
2.39.5