From: Vaishali Thakkar <vaishali.thakkar@xxxxxxxxxx>
Subject: x86: mm: use hugetlb_bad_size()
Update setup_hugepagesz() to call hugetlb_bad_size() when unsupported
hugepage size is found.
Signed-off-by: Vaishali Thakkar <vaishali.thakkar@xxxxxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Hillf Danton <hillf.zj@xxxxxxxxxxxxxxx>
Cc: Yaowei Bai <baiyaowei@xxxxxxxxxxxxxxxxxxxx>
Cc: Dominik Dingel <dingel@xxxxxxxxxxxxxxxxxx>
Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/mm/hugetlbpage.c | 1 +
1 file changed, 1 insertion(+)
diff -puN arch/x86/mm/hugetlbpage.c~x86-mm-use-hugetlb_bad_size arch/x86/mm/hugetlbpage.c
--- a/arch/x86/mm/hugetlbpage.c~x86-mm-use-hugetlb_bad_size
+++ a/arch/x86/mm/hugetlbpage.c
@@ -165,6 +165,7 @@ static __init int setup_hugepagesz(char
} else if (ps == PUD_SIZE && boot_cpu_has(X86_FEATURE_GBPAGES)) {
hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
} else {
+ hugetlb_bad_size();
printk(KERN_ERR "hugepagesz: Unsupported page size %lu M\n",
ps >> 20);
return 0;
_
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