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From: Vlastimil Babka <vbabka@suse.cz>
To: Michal Hocko <mhocko@kernel.org>
Cc: Ivan Teterevkov <ivan.teterevkov@nutanix.com>,
	"corbet@lwn.net" <corbet@lwn.net>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"mchehab+samsung@kernel.org" <mchehab+samsung@kernel.org>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
	"jpoimboe@redhat.com" <jpoimboe@redhat.com>,
	"pawan.kumar.gupta@linux.intel.com" 
	<pawan.kumar.gupta@linux.intel.com>,
	"jgross@suse.com" <jgross@suse.com>,
	"oneukum@suse.com" <oneukum@suse.com>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH] mm/vmscan: add vm_swappiness configuration knobs
Date: Tue, 17 Mar 2020 15:51:06 +0100
Message-ID: <4e08008f-bf20-6a9c-0ffb-f6438c326612@suse.cz> (raw)
In-Reply-To: <20200317082913.GE26018@dhcp22.suse.cz>

On 3/17/20 9:29 AM, Michal Hocko wrote:
> On Mon 16-03-20 15:53:21, Vlastimil Babka wrote:
>> On 3/12/20 2:26 PM, Michal Hocko wrote:
> 
> This sounds like a much better idea than a case by case handling. I
> wouldn't be surprised if some kernel parameters would duplicate sysctl
> values. I cannot judge the implementation unfortunately but from a quick
> glance it makes sense to me. Especially where you hooked it into because
> not all handlers are simple setters for a global value. Some of them
> have a much more complicated logic which requires a lot of
> infrastructure to be set up already. So putting do_sysctl_args right
> before the init is executed should be good enough.
> 
> Care to post an RFC to a larger audience? Let's see where we get from
> there.

FYI done: (I didn't CC everybody from this thread)

https://lore.kernel.org/linux-api/20200317132105.24555-1-vbabka@suse.cz/

      reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-11 17:45 Ivan Teterevkov
2020-03-11 19:31 ` David Rientjes
2020-03-12 12:48   ` Ivan Teterevkov
2020-03-12 13:36     ` Matthew Wilcox
2020-03-12 14:03       ` Chris Down
2020-03-13 10:49         ` Ivan Teterevkov
2020-03-13 21:50           ` David Rientjes
2020-03-16 16:03             ` Ivan Teterevkov
2020-03-12  9:25 ` Michal Hocko
2020-03-12 12:54   ` Ivan Teterevkov
2020-03-12 13:26     ` Michal Hocko
2020-03-16 14:53       ` Vlastimil Babka
2020-03-16 16:14         ` Ivan Teterevkov
2020-03-17  8:29         ` Michal Hocko
2020-03-17 14:51           ` Vlastimil Babka [this message]

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