[PATCH 5/5] s390/mm: forward check for huge pmds to pmd_large()
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- To: linux-kernel@xxxxxxxxxxxxxxx
- Subject: [PATCH 5/5] s390/mm: forward check for huge pmds to pmd_large()
- From: Dominik Dingel <dingel@xxxxxxxxxxxxxxxxxx>
- Date: Thu, 28 May 2015 13:52:37 +0200
- Cc: Russell King <linux@xxxxxxxxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Will Deacon <will.deacon@xxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, James Hogan <james.hogan@xxxxxxxxxx>, Ralf Baechle <ralf@xxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Martin Schwidefsky <schwidefsky@xxxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, linux390@xxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>, Chris Metcalf <cmetcalf@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, x86@xxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Zhang Zhen <zhenzhang.zhang@xxxxxxxxxx>, Dominik Dingel <dingel@xxxxxxxxxxxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>, Nathan Lynch <nathan_lynch@xxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxxxxxx>, Michael Holzheu <holzheu@xxxxxxxxxxxxxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, "Jason J. Herne" <jjherne@xxxxxxxxxxxxxxxxxx>, Davidlohr Bueso <dave@xxxxxxxxxxxx>, "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Luiz Capitulino <lcapitulino@xxxxxxxxxx>, Mike Kravetz <mike.kravetz@xxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-metag@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
- In-reply-to: <1432813957-46874-1-git-send-email-dingel@linux.vnet.ibm.com>
- List-id: <linux-ia64.vger.kernel.org>
- References: <1432813957-46874-1-git-send-email-dingel@linux.vnet.ibm.com>
We already do the check in pmd_large, so we can just forward the call.
Acked-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Dominik Dingel <dingel@xxxxxxxxxxxxxxxxxx>
---
arch/s390/mm/hugetlbpage.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index 999616b..a4b2f5e 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -135,10 +135,7 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
int pmd_huge(pmd_t pmd)
{
- if (!MACHINE_HAS_HPAGE)
- return 0;
-
- return !!(pmd_val(pmd) & _SEGMENT_ENTRY_LARGE);
+ return pmd_large(pmd);
}
int pud_huge(pud_t pud)
--
2.3.7
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