netdev - RE: [Intel-wired-lan] Increased memory usage on NUMA nodes with ICE driver after upgrade to 6.13.y (regression in commit 492a044508ad)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CO1PR11MB5089E12CAAB57683740044DAD6BD2@CO1PR11MB5089.namprd11.prod.outlook.com>
Date: Wed, 16 Apr 2025 22:57:56 +0000
From: "Keller, Jacob E" <jacob.e.keller@...el.com>
To: Jakub Kicinski <kuba@...nel.org>, Jaroslav Pulchart
	<jaroslav.pulchart@...ddata.com>
CC: "Kitszel, Przemyslaw" <przemyslaw.kitszel@...el.com>, "Damato, Joe"
	<jdamato@...tly.com>, "intel-wired-lan@...ts.osuosl.org"
	<intel-wired-lan@...ts.osuosl.org>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>,
	Igor Raits <igor@...ddata.com>, Daniel Secik <daniel.secik@...ddata.com>,
	Zdenek Pesek <zdenek.pesek@...ddata.com>, "Dumazet, Eric"
	<edumazet@...gle.com>, Martin Karsten <mkarsten@...terloo.ca>, "Zaki, Ahmed"
	<ahmed.zaki@...el.com>, "Czapnik, Lukasz" <lukasz.czapnik@...el.com>, "Michal
 Swiatkowski" <michal.swiatkowski@...ux.intel.com>
Subject: RE: [Intel-wired-lan] Increased memory usage on NUMA nodes with ICE
 driver after upgrade to 6.13.y (regression in commit 492a044508ad)



> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of Jakub
> Kicinski
> Sent: Wednesday, April 16, 2025 3:45 PM
> To: Jaroslav Pulchart <jaroslav.pulchart@...ddata.com>
> Cc: Kitszel, Przemyslaw <przemyslaw.kitszel@...el.com>; Damato, Joe
> <jdamato@...tly.com>; intel-wired-lan@...ts.osuosl.org; netdev@...r.kernel.org;
> Nguyen, Anthony L <anthony.l.nguyen@...el.com>; Igor Raits
> <igor@...ddata.com>; Daniel Secik <daniel.secik@...ddata.com>; Zdenek Pesek
> <zdenek.pesek@...ddata.com>; Dumazet, Eric <edumazet@...gle.com>; Martin
> Karsten <mkarsten@...terloo.ca>; Zaki, Ahmed <ahmed.zaki@...el.com>;
> Czapnik, Lukasz <lukasz.czapnik@...el.com>; Michal Swiatkowski
> <michal.swiatkowski@...ux.intel.com>
> Subject: Re: [Intel-wired-lan] Increased memory usage on NUMA nodes with ICE
> driver after upgrade to 6.13.y (regression in commit 492a044508ad)
> 
> On Wed, 16 Apr 2025 18:03:52 +0200 Jaroslav Pulchart wrote:
> > > FWIW you can also try the tools/net/ynl/samples/page-pool
> > > application, not sure if Intel NICs init page pools appropriately
> > > but this will show you exactly how much memory is sitting on Rx rings
> > > of the driver (and in net socket buffers).
> >
> > I'm not familiar with the page-pool tool, I try to build it, run it
> > and nothing is shown. Any hint/menual how to use it?
> 
> It's pretty dumb, you run it and it tells you how much memory is
> allocated by Rx page pools. Commit message has an example:
> https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i
> d=637567e4a3ef6f6a5ffa48781207d270265f7e68

Unfortunately, I don't think ice has migrated to page pool just yet ☹