From: Matthew Wilcox <willy@infradead.org>
To: Gregory Price <gourry@gourry.net>
Cc: linux-cxl@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel-team@meta.com,
dave@stgolabs.net, jonathan.cameron@huawei.com,
dave.jiang@intel.com, alison.schofield@intel.com,
vishal.l.verma@intel.com, ira.weiny@intel.com,
dan.j.williams@intel.com, corbet@lwn.net
Subject: Re: [PATCH v3 14/17] cxl: docs/allocation/page-allocator
Date: Mon, 12 May 2025 17:34:56 +0100 [thread overview]
Message-ID: <aCIjMNooAzKaONod@casper.infradead.org> (raw)
In-Reply-To: <20250512162134.3596150-15-gourry@gourry.net>
On Mon, May 12, 2025 at 12:21:31PM -0400, Gregory Price wrote:
> Document some interesting interactions that occur when exposing CXL
> memory capacity to page allocator.
We should not do this. Asking the page allocator for memory (eg for
slab) should never return memory on CXL. There need to be special
interfaces for clients that know they can tolerate the added latency.
NAK this concept, and NAK this specific document. I have no comment on
the previous documents.
next prev parent reply other threads:[~2025-05-12 16:35 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-12 16:21 [PATCH v3 00/17] CXL Boot to Bash Documentation Gregory Price
2025-05-12 16:21 ` [PATCH v3 01/17] cxl: update documentation structure in prep for new docs Gregory Price
2025-05-12 22:46 ` Dave Jiang
2025-05-12 16:21 ` [PATCH v3 02/17] cxl: docs - access-coordinates doc fixups Gregory Price
2025-05-12 22:47 ` Dave Jiang
2025-05-12 16:21 ` [PATCH v3 03/17] cxl: docs/devices - add cxl device and protocol reference Gregory Price
2025-05-12 23:08 ` Dave Jiang
2025-05-12 23:22 ` Gregory Price
2025-05-12 16:21 ` [PATCH v3 04/17] cxl: docs/platform/bios-and-efi documentation Gregory Price
2025-05-12 23:31 ` Dave Jiang
2025-05-12 16:21 ` [PATCH v3 05/17] cxl: docs/platform/acpi reference documentation Gregory Price
2025-05-12 23:49 ` Dave Jiang
2025-05-12 16:21 ` [PATCH v3 06/17] cxl: docs/platform/example-configs documentation Gregory Price
2025-05-13 0:05 ` Dave Jiang
2025-05-12 16:21 ` [PATCH v3 07/17] cxl: docs/linux - overview Gregory Price
2025-05-13 0:09 ` Dave Jiang
2025-05-12 16:21 ` [PATCH v3 08/17] cxl: docs/linux - early boot configuration Gregory Price
2025-05-13 17:56 ` Dave Jiang
2025-05-12 16:21 ` [PATCH v3 09/17] cxl: docs/linux - add cxl-driver theory of operation Gregory Price
2025-05-12 16:21 ` [PATCH v3 10/17] cxl: docs/linux/cxl-driver - add example configurations Gregory Price
2025-05-12 16:21 ` [PATCH v3 11/17] cxl: docs/linux/dax-driver documentation Gregory Price
2025-05-12 16:21 ` [PATCH v3 12/17] cxl: docs/linux/memory-hotplug Gregory Price
2025-05-12 16:21 ` [PATCH v3 13/17] cxl: docs/allocation/dax Gregory Price
2025-05-12 16:21 ` [PATCH v3 14/17] cxl: docs/allocation/page-allocator Gregory Price
2025-05-12 16:34 ` Matthew Wilcox [this message]
2025-05-12 16:38 ` Gregory Price
2025-05-12 17:52 ` Matthew Wilcox
2025-05-12 18:09 ` Gregory Price
2025-05-13 2:39 ` dan.j.williams
2025-05-12 16:21 ` [PATCH v3 15/17] cxl: docs/allocation/reclaim Gregory Price
2025-05-12 16:21 ` [PATCH v3 16/17] cxl: docs/allocation/hugepages Gregory Price
2025-05-12 16:21 ` [PATCH v3 17/17] cxl: docs - add self-referencing cross-links Gregory Price
2025-05-13 20:38 ` [PATCH v3 00/17] CXL Boot to Bash Documentation Dave Jiang
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