From: Christoph Hellwig <hch@lst.de>
To: Alex Sierra <alex.sierra@amd.com>
Cc: akpm@linux-foundation.org, Felix.Kuehling@amd.com,
linux-mm@kvack.org, rcampbell@nvidia.com,
linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
hch@lst.de, jgg@nvidia.com, jglisse@redhat.com
Subject: Re: [PATCH v6 01/13] ext4/xfs: add page refcount helper
Date: Sun, 15 Aug 2021 11:01:00 +0200 [thread overview]
Message-ID: <20210815090100.GA25067@lst.de> (raw)
In-Reply-To: <20210813063150.2938-2-alex.sierra@amd.com>
On Fri, Aug 13, 2021 at 01:31:38AM -0500, Alex Sierra wrote:
> From: Ralph Campbell <rcampbell@nvidia.com>
>
> There are several places where ZONE_DEVICE struct pages assume a reference
> count == 1 means the page is idle and free. Instead of open coding this,
> add a helper function to hide this detail.
>
> v3:
> [AS]: rename dax_layout_is_idle_page func to dax_page_unused
>
> v4:
> [AS]: This ref count functionality was missing on fuse/dax.c.
These per-patch changelog goes under the "---", otherwise they totally
mess up the logs when commited to git. Same for the other patches in
this series.
But the changes itself looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2021-08-15 9:01 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-13 6:31 [PATCH v6 00/13] Support DEVICE_GENERIC memory in migrate_vma_* Alex Sierra
2021-08-13 6:31 ` [PATCH v6 01/13] ext4/xfs: add page refcount helper Alex Sierra
2021-08-15 9:01 ` Christoph Hellwig [this message]
2021-08-13 6:31 ` [PATCH v6 02/13] mm: remove extra ZONE_DEVICE struct page refcount Alex Sierra
2021-08-15 15:37 ` Christoph Hellwig
2021-08-15 20:40 ` John Hubbard
2021-08-16 18:56 ` Felix Kuehling
2021-08-20 6:33 ` Jerome Glisse
2021-08-20 6:33 ` Jerome Glisse
2021-08-20 6:33 ` Jerome Glisse
2021-08-18 0:01 ` Ralph Campbell
2021-08-18 0:01 ` Ralph Campbell
2021-08-18 0:35 ` Felix Kuehling
2021-08-18 0:35 ` Felix Kuehling
2021-08-18 19:28 ` Ralph Campbell
2021-08-19 18:00 ` Sierra Guiza, Alejandro (Alex)
2021-08-19 19:59 ` Felix Kuehling
2021-08-20 4:40 ` Christoph Hellwig
2021-08-20 7:17 ` Jerome Glisse
2021-08-20 7:17 ` Jerome Glisse
2021-08-20 4:56 ` Christoph Hellwig
2021-08-13 6:31 ` [PATCH v6 03/13] kernel: resource: lookup_resource as exported symbol Alex Sierra
2021-08-13 6:31 ` [PATCH v6 04/13] drm/amdkfd: add SPM support for SVM Alex Sierra
2021-08-15 9:10 ` Christoph Hellwig
2021-08-16 18:54 ` Felix Kuehling
2021-08-17 5:47 ` Christoph Hellwig
2021-08-13 6:31 ` [PATCH v6 05/13] drm/amdkfd: generic type as sys mem on migration to ram Alex Sierra
2021-08-15 15:38 ` Christoph Hellwig
2021-08-16 19:53 ` Sierra Guiza, Alejandro (Alex)
2021-08-16 22:06 ` Zeng, Oak
2021-08-17 0:42 ` Felix Kuehling
2021-08-17 5:49 ` Christoph Hellwig
2021-08-13 6:31 ` [PATCH v6 06/13] include/linux/mm.h: helpers to check zone device generic type Alex Sierra
2021-08-15 9:16 ` Christoph Hellwig
2021-08-13 6:31 ` [PATCH v6 07/13] mm: add generic type support to migrate_vma helpers Alex Sierra
2021-08-15 9:19 ` Christoph Hellwig
2021-08-13 6:31 ` [PATCH v6 08/13] mm: call pgmap->ops->page_free for DEVICE_GENERIC pages Alex Sierra
2021-08-15 15:40 ` Christoph Hellwig
2021-08-16 19:00 ` Felix Kuehling
2021-08-17 5:50 ` Christoph Hellwig
2021-08-17 15:44 ` Felix Kuehling
2021-08-20 5:05 ` Christoph Hellwig
2021-08-20 7:24 ` Jerome Glisse
2021-08-20 7:24 ` Jerome Glisse
2021-08-20 7:24 ` Jerome Glisse
2021-08-13 6:31 ` [PATCH v6 09/13] lib: test_hmm add ioctl to get zone device type Alex Sierra
2021-08-13 6:31 ` [PATCH v6 10/13] lib: test_hmm add module param for " Alex Sierra
2021-08-13 6:31 ` [PATCH v6 11/13] lib: add support for device generic type in test_hmm Alex Sierra
2021-08-13 6:31 ` [PATCH v6 12/13] tools: update hmm-test to support device generic type Alex Sierra
2021-08-13 6:31 ` [PATCH v6 13/13] tools: update test_hmm script to support SP config Alex Sierra
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