x86: move reservetop and vmalloc parsing to pgtable_32.c
also change reserve_top_address to __init attibute
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index 1315500..9a08490 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -184,39 +184,6 @@
}
#endif
-/*
- * 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 int __init parse_vmalloc(char *arg)
-{
- if (!arg)
- return -EINVAL;
-
- __VMALLOC_RESERVE = memparse(arg, &arg);
- return 0;
-}
-early_param("vmalloc", parse_vmalloc);
-
-/*
- * reservetop=size reserves a hole at the top of the kernel address space which
- * a hypervisor can load into later. Needed for dynamically loaded hypervisors,
- * so relocating the fixmap can be done before paging initialization.
- */
-static int __init parse_reservetop(char *arg)
-{
- unsigned long address;
-
- if (!arg)
- return -EINVAL;
-
- address = memparse(arg, &arg);
- reserve_top_address(address);
- return 0;
-}
-early_param("reservetop", parse_reservetop);
-
#ifdef CONFIG_BLK_DEV_INITRD
static bool do_relocate_initrd = false;
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 0662f34..828907d 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -152,7 +152,7 @@
* Can be used to relocate the fixmap area and poke a hole in the top
* of kernel address space to make room for a hypervisor.
*/
-void reserve_top_address(unsigned long reserve)
+void __init reserve_top_address(unsigned long reserve)
{
BUG_ON(fixmaps_set > 0);
printk(KERN_INFO "Reserving virtual address space above 0x%08x\n",
@@ -160,3 +160,36 @@
__FIXADDR_TOP = -reserve - PAGE_SIZE;
__VMALLOC_RESERVE += reserve;
}
+
+/*
+ * 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 int __init parse_vmalloc(char *arg)
+{
+ if (!arg)
+ return -EINVAL;
+
+ __VMALLOC_RESERVE = memparse(arg, &arg);
+ return 0;
+}
+early_param("vmalloc", parse_vmalloc);
+
+/*
+ * reservetop=size reserves a hole at the top of the kernel address space which
+ * a hypervisor can load into later. Needed for dynamically loaded hypervisors,
+ * so relocating the fixmap can be done before paging initialization.
+ */
+static int __init parse_reservetop(char *arg)
+{
+ unsigned long address;
+
+ if (!arg)
+ return -EINVAL;
+
+ address = memparse(arg, &arg);
+ reserve_top_address(address);
+ return 0;
+}
+early_param("reservetop", parse_reservetop);