From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Pavel Tatashin <pasha.tatashin@oracle.com>
Cc: steven.sistare@oracle.com, daniel.m.jordan@oracle.com,
benh@kernel.crashing.org, paulus@samba.org,
akpm@linux-foundation.org, kirill.shutemov@linux.intel.com,
arbab@linux.vnet.ibm.com, schwidefsky@de.ibm.com, x86@kernel.org,
linux-kernel@vger.kernel.org, tglx@linutronix.de,
linuxppc-dev@lists.ozlabs.org, mhocko@suse.com,
linux-mm@kvack.org, linux-s390@vger.kernel.org,
mgorman@techsingularity.net
Subject: Re: [PATCH v1] mm: relax deferred struct page requirements
Date: Fri, 17 Nov 2017 08:47:11 +0100 [thread overview]
Message-ID: <20171117074711.GA3308@osiris> (raw)
In-Reply-To: <20171117014601.31606-1-pasha.tatashin@oracle.com>
On Thu, Nov 16, 2017 at 08:46:01PM -0500, Pavel Tatashin wrote:
> 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.
>
> Signed-off-by: Pavel Tatashin <pasha.tatashin@oracle.com>
> ---
> arch/powerpc/Kconfig | 1 -
> arch/s390/Kconfig | 1 -
> arch/x86/Kconfig | 1 -
> mm/Kconfig | 7 +------
> 4 files changed, 1 insertion(+), 9 deletions(-)
For s390 the s390 bit:
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
next prev parent reply other threads:[~2017-11-17 7:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-17 1:46 [PATCH v1] mm: relax deferred struct page requirements Pavel Tatashin
2017-11-17 7:47 ` Heiko Carstens [this message]
2017-11-21 7:24 ` Michal Hocko
2018-06-16 8:04 ` Jiri Slaby
2018-06-19 13:50 ` Pavel Tatashin
2018-06-19 19:56 ` Pavel Tatashin
2018-08-24 7:32 ` Jiri Slaby
2018-08-24 7:44 ` Jiri Slaby
2018-08-30 14:35 ` Pasha Tatashin
2018-08-30 15:45 ` Pasha Tatashin
2018-08-31 11:26 ` Jiri Slaby
2018-08-31 11:29 ` Jiri Slaby
2018-08-31 12:10 ` Pasha Tatashin
2018-08-31 12:28 ` Jiri Slaby
2017-11-21 14:47 ` Khalid Aziz
2017-11-23 12:52 ` Michael Ellerman
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