[ARM] prevent crashing when too much RAM installed

[linux-2.6-omap-h63xx.git] / arch / arm / kernel / setup.c

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 38f0e7940a132b1c9e0458bc10e9d1dc3f2401ee..2ca7038b67a7bf105df3529491e0f9858220ca76 100644 (file)
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -81,6 +81,8 @@ EXPORT_SYMBOL(system_serial_high);
 unsigned int elf_hwcap;
 EXPORT_SYMBOL(elf_hwcap);
 
+unsigned long __initdata vmalloc_reserve = 128 << 20;
+
 
 #ifdef MULTI_CPU
 struct processor processor;
@@ -500,6 +502,17 @@ static void __init early_mem(char **p)
 }
 __early_param("mem=", early_mem);
 
+/*
+ * vmalloc=size forces the vmalloc area to be exactly 'size'
+ * bytes. This can be used to increase (or decrease) the vmalloc
+ * area - the default is 128m.
+ */
+static void __init early_vmalloc(char **arg)
+{
+       vmalloc_reserve = memparse(*arg, arg);
+}
+__early_param("vmalloc=", early_vmalloc);
+
 /*
  * Initial parsing of the command line.
  */