diff options
Diffstat (limited to 'arch/x86/mm/hugetlbpage.c')
| -rw-r--r-- | arch/x86/mm/hugetlbpage.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c index 58f7f2bd535d..3b26621c9128 100644 --- a/arch/x86/mm/hugetlbpage.c +++ b/arch/x86/mm/hugetlbpage.c @@ -42,3 +42,11 @@ static __init int gigantic_pages_init(void) arch_initcall(gigantic_pages_init); #endif #endif + +unsigned int __init arch_hugetlb_cma_order(void) +{ + if (boot_cpu_has(X86_FEATURE_GBPAGES)) + return PUD_SHIFT - PAGE_SHIFT; + + return 0; +} |