[ARM] mm: move vmalloc= parsing to arch/arm/mm/mmu.c

[linux-2.6-omap-h63xx.git] / arch / arm / mm / mmu.c

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index f03ad87f6baa5209def9fdc323279758947ca6ac..e7af83e569d7a85c9e3afa30c76a5c7ee2aaa100 100644 (file)
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -566,6 +566,28 @@ void __init iotable_init(struct map_desc *io_desc, int nr)
                create_mapping(io_desc + i);
 }
 
+static unsigned long __initdata vmalloc_reserve = SZ_128M;
+
+/*
+ * 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);
+
+       if (vmalloc_reserve < SZ_16M) {
+               vmalloc_reserve = SZ_16M;
+               printk(KERN_WARNING
+                       "vmalloc area too small, limiting to %luMB\n",
+                       vmalloc_reserve >> 20);
+       }
+}
+__early_param("vmalloc=", early_vmalloc);
+
+#define VMALLOC_MIN    (void *)(VMALLOC_END - vmalloc_reserve)
+
 static int __init check_membank_valid(struct membank *mb)
 {
        /*