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author | Yinghai Lu <yinghai@kernel.org> | 2012-11-16 19:39:08 -0800 |
---|---|---|
committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-11-17 11:59:37 -0800 |
commit | 148b20989e0b83cb301e1fcd9e987c7abde05333 (patch) | |
tree | a60b9f7e59c365a498a2bb47341264b430f70a9f /arch/x86/mm/init.c | |
parent | cf47065961b48727b4e47bc3e2e67f4996878437 (diff) | |
download | linux-148b20989e0b83cb301e1fcd9e987c7abde05333.tar.bz2 |
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@kernel.org>
Link: http://lkml.kernel.org/r/1353123563-3103-32-git-send-email-yinghai@kernel.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/mm/init.c')
-rw-r--r-- | arch/x86/mm/init.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 3cadf1013cea..8168bf8fcda7 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. |