From: jane.chu@oracle.com
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: logane@deltatee.com, hch@lst.de, gregkh@linuxfoundation.org,
willy@infradead.org, kch@nvidia.com, axboe@kernel.dk,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-pci@vger.kernel.org, linux-nvme@lists.infradead.org,
linux-block@vger.kernel.org
Subject: Re: Report: Performance regression from ib_umem_get on zone device pages
Date: Wed, 23 Apr 2025 19:55:39 -0700 [thread overview]
Message-ID: <40f142be-12e1-407f-8b64-05d8c12f31b9@oracle.com> (raw)
In-Reply-To: <20250423232828.GV1213339@ziepe.ca>
On 4/23/2025 4:28 PM, Jason Gunthorpe wrote:
> IIRC device-dax does could not use folios until 6.15 so I'm assuming
> it is not folios even if it is a pmd mapping?
I just looked at 6.15-rc3, device-dax is not using folio. Maybe I'm
missing some upcoming patches?
thanks,
-jane
next prev parent reply other threads:[~2025-04-24 2:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-23 19:21 jane.chu
2025-04-23 19:34 ` Resend: " jane.chu
2025-04-23 23:28 ` Jason Gunthorpe
2025-04-24 1:49 ` jane.chu
2025-04-24 2:55 ` jane.chu [this message]
2025-04-24 3:00 ` jane.chu
2025-04-24 5:35 ` jane.chu
2025-04-24 12:01 ` Jason Gunthorpe
2025-04-28 19:11 ` jane.chu
2025-04-29 12:29 ` Jason Gunthorpe
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