Commit-ID: 148b20989e0b83cb301e1fcd9e987c7abde05333
Gitweb: http://git.kernel.org/tip/148b20989e0b83cb301e1fcd9e987c7abde05333
Author: Yinghai Lu <yinghai@xxxxxxxxxx>
AuthorDate: Fri, 16 Nov 2012 19:39:08 -0800
Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Sat, 17 Nov 2012 11:59:37 -0800
x86, mm: Move init_gbpages() out of setup.c
Put it in mm/init.c, and call it from probe_page_mask().
init_mem_mapping is calling probe_page_mask at first.
So calling sequence is not changed.
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1353123563-3103-32-git-send-email-yinghai@xxxxxxxxxx
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
---
arch/x86/kernel/setup.c | 15 +--------------
arch/x86/mm/init.c | 12 ++++++++++++
2 files changed, 13 insertions(+), 14 deletions(-)
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 2015194..85b62f1 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -282,18 +282,7 @@ void * __init extend_brk(size_t size, size_t align)
return ret;
}
-#ifdef CONFIG_X86_64
-static void __init init_gbpages(void)
-{
- if (direct_gbpages && cpu_has_gbpages)
- printk(KERN_INFO "Using GB pages for direct mapping\n");
- else
- direct_gbpages = 0;
-}
-#else
-static inline void init_gbpages(void)
-{
-}
+#ifdef CONFIG_X86_32
static void __init cleanup_highmap(void)
{
}
@@ -933,8 +922,6 @@ void __init setup_arch(char **cmdline_p)
setup_real_mode();
- init_gbpages();
-
init_mem_mapping();
memblock.current_limit = get_max_mapped();
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 3cadf10..8168bf8 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -98,6 +98,16 @@ int direct_gbpages
#endif
;
+static void __init init_gbpages(void)
+{
+#ifdef CONFIG_X86_64
+ if (direct_gbpages && cpu_has_gbpages)
+ printk(KERN_INFO "Using GB pages for direct mapping\n");
+ else
+ direct_gbpages = 0;
+#endif
+}
+
struct map_range {
unsigned long start;
unsigned long end;
@@ -108,6 +118,8 @@ static int page_size_mask;
static void __init probe_page_size_mask(void)
{
+ init_gbpages();
+
#if !defined(CONFIG_DEBUG_PAGEALLOC) && !defined(CONFIG_KMEMCHECK)
/*
* For CONFIG_DEBUG_PAGEALLOC, identity mapping will use small pages.
--
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