From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: [merged] mm-relax-deferred-struct-page-requirements.patch removed from -mm tree Date: Thu, 01 Feb 2018 11:30:36 -0800 Message-ID: <20180201193036.Tu-kcvONs%akpm@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.linuxfoundation.org ([140.211.169.12]:57256 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753007AbeBATai (ORCPT ); Thu, 1 Feb 2018 14:30:38 -0500 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: arbab@linux.vnet.ibm.com, benh@kernel.crashing.org, daniel.m.jordan@oracle.com, heiko.carstens@de.ibm.com, khalid.aziz@oracle.com, kirill.shutemov@linux.intel.com, mgorman@techsingularity.net, mhocko@suse.com, mm-commits@vger.kernel.org, mpe@ellerman.id.au, pasha.tatashin@oracle.com, paulus@samba.org, schwidefsky@de.ibm.com, steven.sistare@oracle.com, tglx@linutronix.de The patch titled Subject: mm: relax deferred struct page requirements has been removed from the -mm tree. Its filename was mm-relax-deferred-struct-page-requirements.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Pavel Tatashin Subject: mm: relax deferred struct page requirements There is no need to have ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT, as all the page initialization code is in common code. Also, there is no need to depend on MEMORY_HOTPLUG, as initialization code does not really use hotplug memory functionality. So, we can remove this requirement as well. This patch allows to use deferred struct page initialization on all platforms with memblock allocator. Tested on x86, arm64, and sparc. Also, verified that code compiles on PPC with CONFIG_MEMORY_HOTPLUG disabled. Link: http://lkml.kernel.org/r/20171117014601.31606-1-pasha.tatashin@oracle.com Signed-off-by: Pavel Tatashin Acked-by: Heiko Carstens [s390] Reviewed-by: Khalid Aziz Acked-by: Michael Ellerman Acked-by: Michal Hocko Cc: Steven Sistare Cc: Daniel Jordan Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Kirill A. Shutemov Cc: Reza Arbab Cc: Martin Schwidefsky Cc: Thomas Gleixner Cc: Mel Gorman Signed-off-by: Andrew Morton --- arch/powerpc/Kconfig | 1 - arch/s390/Kconfig | 1 - arch/x86/Kconfig | 1 - mm/Kconfig | 7 +------ 4 files changed, 1 insertion(+), 9 deletions(-) diff -puN arch/powerpc/Kconfig~mm-relax-deferred-struct-page-requirements arch/powerpc/Kconfig --- a/arch/powerpc/Kconfig~mm-relax-deferred-struct-page-requirements +++ a/arch/powerpc/Kconfig @@ -151,7 +151,6 @@ config PPC select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO select ARCH_SUPPORTS_ATOMIC_RMW - select ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF if PPC64 select ARCH_WANT_IPC_PARSE_VERSION diff -puN arch/s390/Kconfig~mm-relax-deferred-struct-page-requirements arch/s390/Kconfig --- a/arch/s390/Kconfig~mm-relax-deferred-struct-page-requirements +++ a/arch/s390/Kconfig @@ -108,7 +108,6 @@ config S390 select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE select ARCH_SAVE_PAGE_KEYS if HIBERNATION select ARCH_SUPPORTS_ATOMIC_RMW - select ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT select ARCH_SUPPORTS_NUMA_BALANCING select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF diff -puN arch/x86/Kconfig~mm-relax-deferred-struct-page-requirements arch/x86/Kconfig --- a/arch/x86/Kconfig~mm-relax-deferred-struct-page-requirements +++ a/arch/x86/Kconfig @@ -69,7 +69,6 @@ config X86 select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO select ARCH_SUPPORTS_ATOMIC_RMW - select ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT select ARCH_SUPPORTS_NUMA_BALANCING if X86_64 select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_QUEUED_RWLOCKS diff -puN mm/Kconfig~mm-relax-deferred-struct-page-requirements mm/Kconfig --- a/mm/Kconfig~mm-relax-deferred-struct-page-requirements +++ a/mm/Kconfig @@ -639,15 +639,10 @@ config MAX_STACK_SIZE_MB A sane initial value is 80 MB. -# For architectures that support deferred memory initialisation -config ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT - bool