From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx165.postini.com [74.125.245.165]) by kanga.kvack.org (Postfix) with SMTP id 9823A6B0031 for ; Wed, 31 Jul 2013 22:41:01 -0400 (EDT) Message-ID: <51F9CA7D.2070506@asianux.com> Date: Thu, 01 Aug 2013 10:39:57 +0800 From: Chen Gang MIME-Version: 1.0 Subject: [PATCH] mm/Kconfig: add MMU dependency for MIGRATION. Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "sfr@canb.auug.org.au" , rientjes@google.com, riel@redhat.com, isimatu.yasuaki@jp.fujitsu.com Cc: Andrew Morton , linux-mm@kvack.org MIGRATION need depend on MMU, or allmodconfig for sh architecture which without MMU will be fail for compiling. The related error: CC mm/migrate.o mm/migrate.c: In function 'remove_migration_pte': mm/migrate.c:134:3: error: implicit declaration of function 'pmd_trans_huge' [-Werror=implicit-function-declaration] if (pmd_trans_huge(*pmd)) ^ mm/migrate.c:149:2: error: implicit declaration of function 'is_swap_pte' [-Werror=implicit-function-declaration] if (!is_swap_pte(pte)) ^ ... Signed-off-by: Chen Gang --- mm/Kconfig | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/Kconfig b/mm/Kconfig index 256bfd0..e847f19 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -245,7 +245,7 @@ config COMPACTION config MIGRATION bool "Page migration" def_bool y - depends on NUMA || ARCH_ENABLE_MEMORY_HOTREMOVE || COMPACTION || CMA + depends on (NUMA || ARCH_ENABLE_MEMORY_HOTREMOVE || COMPACTION || CMA) && MMU help Allows the migration of the physical location of pages of processes while the virtual addresses are not changed. This is useful in @@ -522,7 +522,7 @@ config MEM_SOFT_DIRTY config CMA bool "Contiguous Memory Allocator" - depends on HAVE_MEMBLOCK + depends on HAVE_MEMBLOCK && MMU select MIGRATION select MEMORY_ISOLATION help -- 1.7.7.6 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org