From: Keith Busch <kbusch@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: sagi@grimberg.me, linux-nvme@lists.infradead.org
Subject: Re: [PATCH] nvme-pci: fix PRP pool size
Date: Tue, 18 Aug 2020 11:58:59 -0700 [thread overview]
Message-ID: <20200818185859.GA3147270@dhcp-10-100-145-180.wdl.wdc.com> (raw)
In-Reply-To: <20200818175159.1727735-1-hch@lst.de>
On Tue, Aug 18, 2020 at 07:51:59PM +0200, Christoph Hellwig wrote:
> All operations are based on the controller, not the host page size.
> Switch the dma pool to use the controller page size as well to avoid
> massive overallocations on large page size systems.
Oof, we've been over-allocating for a while.
Reviewed-by: Keith Busch <kbusch@kernel.org>
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next prev parent reply other threads:[~2020-08-18 18:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-18 17:51 [PATCH] nvme-pci: fix PRP pool size Christoph Hellwig
2020-08-18 18:58 ` Keith Busch [this message]
2020-08-18 19:09 ` Sagi Grimberg
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