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[PATCH v2 6/6] x86: mm: Use hugetlb_bad_size

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  [PATCH v2 6/6] x86: mm: Use hugetlb_bad_size Vaishali Thakkar <vaishali.thakkar@oracle.com> - 2016-03-23 14:00 +0100

#1363409 — [PATCH v2 6/6] x86: mm: Use hugetlb_bad_size

Update the setup_hugepagesz function to call the routine
hugetlb_bad_size when unsupported hugepage size is found.

Signed-off-by: Vaishali Thakkar <vaishali.thakkar@oracle.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
Cc: Dominik Dingel <dingel@linux.vnet.ibm.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
---
Changes since v1:
        - Separate different arch specific changes in different
          patches instead of one
---
 arch/x86/mm/hugetlbpage.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
index 740d7ac..3ec44f8 100644
--- a/arch/x86/mm/hugetlbpage.c
+++ b/arch/x86/mm/hugetlbpage.c
@@ -165,6 +165,7 @@ static __init int setup_hugepagesz(char *opt)
 	} else if (ps == PUD_SIZE && cpu_has_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;
-- 
2.1.4

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