From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp08.in.ibm.com (e28smtp08.in.ibm.com [125.16.236.8]) (using TLSv1.2 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3qgWZy5d1szDq6Z for ; Thu, 7 Apr 2016 15:38:02 +1000 (AEST) Received: from localhost by e28smtp08.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 7 Apr 2016 11:08:00 +0530 Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay01.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u375buZK44040260 for ; Thu, 7 Apr 2016 11:07:56 +0530 Received: from d28av03.in.ibm.com (localhost [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u375bnwN006100 for ; Thu, 7 Apr 2016 11:07:55 +0530 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> 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> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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