From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752431AbcDGFsP (ORCPT ); Thu, 7 Apr 2016 01:48:15 -0400 Received: from e28smtp06.in.ibm.com ([125.16.236.6]:34949 "EHLO e28smtp06.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750963AbcDGFsO (ORCPT ); Thu, 7 Apr 2016 01:48:14 -0400 X-IBM-Helo: d28relay01.in.ibm.com X-IBM-MailFrom: khandual@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org From: Anshuman Khandual To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: hughd@google.com, kirill@shutemov.name, n-horiguchi@ah.jp.nec.com, akpm@linux-foundation.org, mgorman@techsingularity.net, dave.hansen@intel.com, aneesh.kumar@linux.vnet.ibm.com, mpe@ellerman.id.au Subject: [PATCH 04/10] powerpc/hugetlb: Add ABI defines for MAP_HUGE_16MB and MAP_HUGE_16GB Date: Thu, 7 Apr 2016 11:07:38 +0530 Message-Id: <1460007464-26726-5-git-send-email-khandual@linux.vnet.ibm.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1460007464-26726-1-git-send-email-khandual@linux.vnet.ibm.com> References: <1460007464-26726-1-git-send-email-khandual@linux.vnet.ibm.com> X-TM-AS-MML: disable x-cbid: 16040705-0021-0000-0000-00000B66F969 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This just adds user space exported ABI definitions for both 16MB and 16GB non default huge page sizes to be used with mmap() system call. Signed-off-by: Anshuman Khandual --- arch/powerpc/include/uapi/asm/mman.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/powerpc/include/uapi/asm/mman.h b/arch/powerpc/include/uapi/asm/mman.h index 03c06ba..e78980b 100644 --- a/arch/powerpc/include/uapi/asm/mman.h +++ b/arch/powerpc/include/uapi/asm/mman.h @@ -29,4 +29,7 @@ #define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ #define MAP_HUGETLB 0x40000 /* create a huge page mapping */ +#define MAP_HUGE_16MB (24 << MAP_HUGE_SHIFT) /* 16MB HugeTLB Page */ +#define MAP_HUGE_16GB (34 << MAP_HUGE_SHIFT) /* 16GB HugeTLB Page */ + #endif /* _UAPI_ASM_POWERPC_MMAN_H */ -- 2.1.0