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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: David Marchand <david.marchand@redhat.com>
Cc: Thomas Monjalon <thomas@monjalon.net>,
	Hemant Agrawal <hemant.agrawal@nxp.com>,
	Gagandeep Singh <G.Singh@nxp.com>, dev <dev@dpdk.org>,
	Olivier Matz <olivier.matz@6wind.com>,
	Andrew Rybchenko <arybchenko@solarflare.com>,
	Nipun Gupta <nipun.gupta@nxp.com>,
	Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>,
	Steve Capper <steve.capper@arm.com>,
	Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
	Bruce Richardson <bruce.richardson@intel.com>,
	Gavin Hu <gavin.hu@arm.com>,
	"Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	David Christensen <drc@linux.vnet.ibm.com>
Subject: Re: [dpdk-dev] [PATCH] eal: change max hugepage sizes to 4
Date: Mon, 12 Aug 2019 11:38:04 +0100	[thread overview]
Message-ID: <33e6adae-d6ed-4b3f-1e9a-eb592bc067e4@intel.com> (raw)
In-Reply-To: <CAJFAV8yw+p-KE-PeFbZD8N8zgMNqwfMg_T73er5r9jT_a92a3g@mail.gmail.com>

On 12-Aug-19 10:49 AM, David Marchand wrote:
> On Mon, Aug 12, 2019 at 11:43 AM Burakov, Anatoly
> <anatoly.burakov@intel.com> wrote:
>> On 08-Aug-19 8:31 AM, Thomas Monjalon wrote:
>>> I would suggest to restrict the change to Arm only with an ifdef,
>>> in order to limit the risk for this release.
>>> We can think about a dynamic hugepage scan in the next release.
>>>
>>
>> I don't see how this is necessary. The 3 is an arbitrary number here,
>> and the ABI isn't broken as this is an internal structure. We could
>> increase it to 16 for all i care, and it wouldn't make any difference to
>> the rest of the code - we never populate more than we can find anyway.
> 
> I agree on the principle.
> But at the time this popped up, we were really close to the release.
> It seemed a way to mitigate any unforeseen issue by limiting to the
> platform that was affected.
> 

Fair enough. A follow up is needed so. Frankly, i don't see the need to 
complicate things with "dynamic" stuff here - a static array of 8 or 16 
page sizes should be enough for everyone (TM).

-- 
Thanks,
Anatoly

  parent reply	other threads:[~2019-08-12 10:38 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-07 10:12 Gagandeep Singh
2019-08-07 12:00 ` David Marchand
2019-08-07 12:07   ` Thomas Monjalon
2019-08-07 13:28     ` Hemant Agrawal
2019-08-08  7:31       ` Thomas Monjalon
2019-08-12  9:43         ` Burakov, Anatoly
2019-08-12  9:49           ` David Marchand
2019-08-12 10:01             ` Thomas Monjalon
2019-08-12 10:38             ` Burakov, Anatoly [this message]
2019-08-08  7:33       ` David Marchand
2019-08-08  9:00         ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-08-08 10:37         ` [dpdk-dev] " Hemant Agrawal
2019-08-08 12:29           ` Steve Capper
2019-08-08 12:39             ` David Marchand
2019-08-12  9:42       ` Burakov, Anatoly
2019-08-07 15:27 ` Stephen Hemminger
2019-08-08 12:13 ` [dpdk-dev] [PATCH v2] eal: change max hugepage sizes to 4 for ARM platforms Gagandeep Singh
2019-08-08 12:37   ` [dpdk-dev] [dpdk-stable] " David Marchand
2019-08-08 15:26     ` Thomas Monjalon
2019-08-07 12:47 [dpdk-dev] [PATCH] eal: change max hugepage sizes to 4 Gagandeep Singh
2019-08-07 12:53 Gagandeep Singh
2019-08-07 14:09 ` Honnappa Nagarahalli
2019-08-08  9:00 Gagandeep Singh
2019-08-08  9:22 ` David Marchand

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