From: Dave Hansen <dave.hansen@intel.com>
To: Wang Nan <wangnan0@huawei.com>, Ingo Molnar <mingo@redhat.com>,
Yinghai Lu <yinghai@kernel.org>, Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Pei Feiyue <peifeiyue@huawei.com>,
linux-mm@kvack.org, x86@kernel.org, linux-ia64@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/5] memory-hotplug: x86_64: suitable memory should go to ZONE_MOVABLE
Date: Fri, 18 Jul 2014 15:00:43 +0000 [thread overview]
Message-ID: <53C9369B.4070608@intel.com> (raw)
In-Reply-To: <1405670163-53747-2-git-send-email-wangnan0@huawei.com>
On 07/18/2014 12:55 AM, Wang Nan wrote:
> + if (!zone_is_empty(movable_zone))
> + if (zone_spans_pfn(movable_zone, start_pfn) ||
> + (zone_end_pfn(movable_zone) <= start_pfn))
> + zone = movable_zone;
> +
It's nice that you hit so many architectures, but is there a way to do
this that doesn't involve copying and pasting the same bit of code in to
each architecture?
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@intel.com>
To: Wang Nan <wangnan0@huawei.com>, Ingo Molnar <mingo@redhat.com>,
Yinghai Lu <yinghai@kernel.org>, Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>
Cc: linux-ia64@vger.kernel.org, Pei Feiyue <peifeiyue@huawei.com>,
linux-sh@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 1/5] memory-hotplug: x86_64: suitable memory should go to ZONE_MOVABLE
Date: Fri, 18 Jul 2014 08:00:43 -0700 [thread overview]
Message-ID: <53C9369B.4070608@intel.com> (raw)
In-Reply-To: <1405670163-53747-2-git-send-email-wangnan0@huawei.com>
On 07/18/2014 12:55 AM, Wang Nan wrote:
> + if (!zone_is_empty(movable_zone))
> + if (zone_spans_pfn(movable_zone, start_pfn) ||
> + (zone_end_pfn(movable_zone) <= start_pfn))
> + zone = movable_zone;
> +
It's nice that you hit so many architectures, but is there a way to do
this that doesn't involve copying and pasting the same bit of code in to
each architecture?
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@intel.com>
To: Wang Nan <wangnan0@huawei.com>, Ingo Molnar <mingo@redhat.com>,
Yinghai Lu <yinghai@kernel.org>, Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Pei Feiyue <peifeiyue@huawei.com>,
linux-mm@kvack.org, x86@kernel.org, linux-ia64@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/5] memory-hotplug: x86_64: suitable memory should go to ZONE_MOVABLE
Date: Fri, 18 Jul 2014 08:00:43 -0700 [thread overview]
Message-ID: <53C9369B.4070608@intel.com> (raw)
In-Reply-To: <1405670163-53747-2-git-send-email-wangnan0@huawei.com>
On 07/18/2014 12:55 AM, Wang Nan wrote:
> + if (!zone_is_empty(movable_zone))
> + if (zone_spans_pfn(movable_zone, start_pfn) ||
> + (zone_end_pfn(movable_zone) <= start_pfn))
> + zone = movable_zone;
> +
It's nice that you hit so many architectures, but is there a way to do
this that doesn't involve copying and pasting the same bit of code in to
each architecture?
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WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@intel.com>
To: Wang Nan <wangnan0@huawei.com>, Ingo Molnar <mingo@redhat.com>,
Yinghai Lu <yinghai@kernel.org>, Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Pei Feiyue <peifeiyue@huawei.com>,
linux-mm@kvack.org, x86@kernel.org, linux-ia64@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/5] memory-hotplug: x86_64: suitable memory should go to ZONE_MOVABLE
Date: Fri, 18 Jul 2014 08:00:43 -0700 [thread overview]
Message-ID: <53C9369B.4070608@intel.com> (raw)
In-Reply-To: <1405670163-53747-2-git-send-email-wangnan0@huawei.com>
On 07/18/2014 12:55 AM, Wang Nan wrote:
> + if (!zone_is_empty(movable_zone))
> + if (zone_spans_pfn(movable_zone, start_pfn) ||
> + (zone_end_pfn(movable_zone) <= start_pfn))
> + zone = movable_zone;
> +
It's nice that you hit so many architectures, but is there a way to do
this that doesn't involve copying and pasting the same bit of code in to
each architecture?
next prev parent reply other threads:[~2014-07-18 15:00 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-18 7:55 [PATCH 0/5] memory-hotplug: suitable memory should go to ZONE_MOVABLE Wang Nan
2014-07-18 7:55 ` Wang Nan
2014-07-18 7:55 ` Wang Nan
2014-07-18 7:55 ` Wang Nan
2014-07-18 7:55 ` [PATCH 1/5] memory-hotplug: x86_64: " Wang Nan
2014-07-18 7:55 ` Wang Nan
2014-07-18 7:55 ` Wang Nan
2014-07-18 7:55 ` Wang Nan
2014-07-18 15:00 ` Dave Hansen [this message]
2014-07-18 15:00 ` Dave Hansen
2014-07-18 15:00 ` Dave Hansen
2014-07-18 15:00 ` Dave Hansen
2014-07-18 7:56 ` [PATCH 2/5] memory-hotplug: x86_32: " Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 9:52 ` Wang Nan
2014-07-18 9:52 ` Wang Nan
2014-07-18 9:52 ` Wang Nan
2014-07-18 9:52 ` Wang Nan
2014-07-18 7:56 ` [PATCH 3/5] memory-hotplug: ia64: " Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 7:56 ` [PATCH 4/5] memory-hotplug: sh: " Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 7:56 ` [PATCH 5/5] memory-hotplug: powerpc: " Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 7:56 ` Wang Nan
2014-07-18 9:16 ` [PATCH 0/5] memory-hotplug: " Zhang Yanfei
2014-07-18 9:16 ` Zhang Yanfei
2014-07-18 9:16 ` Zhang Yanfei
2014-07-18 9:16 ` Zhang Yanfei
2014-07-18 9:56 ` Wang Nan
2014-07-18 9:56 ` Wang Nan
2014-07-18 9:56 ` Wang Nan
2014-07-18 9:56 ` Wang Nan
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