[PATCH v3 6/8] include/linux/mm.h: helpers to check zone device generic type

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From: Alex Sierra <alex.sierra@amd.com>
To: 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
Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	hch@lst.de, jgg@nvidia.com, jglisse@redhat.com,
	Alex Sierra <alex.sierra@amd.com>
Subject: [PATCH v3 6/8] include/linux/mm.h: helpers to check zone device generic type
Date: Thu, 17 Jun 2021 10:17:03 -0500	[thread overview]
Message-ID: <20210617151705.15367-7-alex.sierra@amd.com> (raw)
In-Reply-To: <20210617151705.15367-1-alex.sierra@amd.com>

Two helpers added. One checks if zone device page is generic
type. The other if page is either private or generic type.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
---
 include/linux/mm.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index d8d79bb94be8..f5b247a63044 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1125,6 +1125,14 @@ static inline bool is_device_private_page(const struct page *page)
 		page->pgmap->type == MEMORY_DEVICE_PRIVATE;
 }
 
+static inline bool is_device_page(const struct page *page)
+{
+	return IS_ENABLED(CONFIG_DEV_PAGEMAP_OPS) &&
+		is_zone_device_page(page) &&
+		(page->pgmap->type == MEMORY_DEVICE_PRIVATE ||
+		 page->pgmap->type == MEMORY_DEVICE_GENERIC);
+}
+
 static inline bool is_pci_p2pdma_page(const struct page *page)
 {
 	return IS_ENABLED(CONFIG_DEV_PAGEMAP_OPS) &&
-- 
2.17.1

WARNING: multiple messages have this Message-ID (diff)

From: Alex Sierra <alex.sierra@amd.com>
To: 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
Cc: Alex Sierra <alex.sierra@amd.com>,
	dri-devel@lists.freedesktop.org, jglisse@redhat.com,
	amd-gfx@lists.freedesktop.org, jgg@nvidia.com, hch@lst.de
Subject: [PATCH v3 6/8] include/linux/mm.h: helpers to check zone device generic type
Date: Thu, 17 Jun 2021 10:17:03 -0500	[thread overview]
Message-ID: <20210617151705.15367-7-alex.sierra@amd.com> (raw)
In-Reply-To: <20210617151705.15367-1-alex.sierra@amd.com>

Two helpers added. One checks if zone device page is generic
type. The other if page is either private or generic type.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
---
 include/linux/mm.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index d8d79bb94be8..f5b247a63044 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1125,6 +1125,14 @@ static inline bool is_device_private_page(const struct page *page)
 		page->pgmap->type == MEMORY_DEVICE_PRIVATE;
 }
 
+static inline bool is_device_page(const struct page *page)
+{
+	return IS_ENABLED(CONFIG_DEV_PAGEMAP_OPS) &&
+		is_zone_device_page(page) &&
+		(page->pgmap->type == MEMORY_DEVICE_PRIVATE ||
+		 page->pgmap->type == MEMORY_DEVICE_GENERIC);
+}
+
 static inline bool is_pci_p2pdma_page(const struct page *page)
 {
 	return IS_ENABLED(CONFIG_DEV_PAGEMAP_OPS) &&
-- 
2.17.1

WARNING: multiple messages have this Message-ID (diff)

From: Alex Sierra <alex.sierra@amd.com>
To: 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
Cc: Alex Sierra <alex.sierra@amd.com>,
	dri-devel@lists.freedesktop.org, jglisse@redhat.com,
	amd-gfx@lists.freedesktop.org, jgg@nvidia.com, hch@lst.de
Subject: [PATCH v3 6/8] include/linux/mm.h: helpers to check zone device generic type
Date: Thu, 17 Jun 2021 10:17:03 -0500	[thread overview]
Message-ID: <20210617151705.15367-7-alex.sierra@amd.com> (raw)
In-Reply-To: <20210617151705.15367-1-alex.sierra@amd.com>

Two helpers added. One checks if zone device page is generic
type. The other if page is either private or generic type.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
---
 include/linux/mm.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index d8d79bb94be8..f5b247a63044 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1125,6 +1125,14 @@ static inline bool is_device_private_page(const struct page *page)
 		page->pgmap->type == MEMORY_DEVICE_PRIVATE;
 }
 
+static inline bool is_device_page(const struct page *page)
+{
+	return IS_ENABLED(CONFIG_DEV_PAGEMAP_OPS) &&
+		is_zone_device_page(page) &&
+		(page->pgmap->type == MEMORY_DEVICE_PRIVATE ||
+		 page->pgmap->type == MEMORY_DEVICE_GENERIC);
+}
+
 static inline bool is_pci_p2pdma_page(const struct page *page)
 {
 	return IS_ENABLED(CONFIG_DEV_PAGEMAP_OPS) &&
-- 
2.17.1

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next prev parent reply	other threads:[~2021-06-17 15:18 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-17 15:16 [PATCH v3 0/8] Support DEVICE_GENERIC memory in migrate_vma_* Alex Sierra
2021-06-17 15:16 ` Alex Sierra
2021-06-17 15:16 ` Alex Sierra
2021-06-17 15:16 ` [PATCH v3 1/8] ext4/xfs: add page refcount helper Alex Sierra
2021-06-17 15:16   ` Alex Sierra
2021-06-17 15:16   ` Alex Sierra
2021-06-17 16:11   ` Darrick J. Wong
2021-06-17 16:11     ` Darrick J. Wong
2021-06-17 16:11     ` Darrick J. Wong
2021-06-17 23:52   ` Dave Chinner
2021-06-17 23:52     ` Dave Chinner
2021-06-17 23:52     ` Dave Chinner
2021-06-19 16:14     ` Sierra Guiza, Alejandro (Alex)
2021-06-19 16:14       ` Sierra Guiza, Alejandro (Alex)
2021-06-19 16:14       ` Sierra Guiza, Alejandro (Alex)
2021-06-19 18:31   ` Alex Sierra
2021-06-19 18:31     ` Alex Sierra
2021-06-19 18:31     ` Alex Sierra
2021-06-17 15:16 ` [PATCH v3 2/8] mm: remove extra ZONE_DEVICE struct page refcount Alex Sierra
2021-06-17 15:16   ` Alex Sierra
2021-06-17 15:16   ` Alex Sierra
2021-06-17 19:16   ` Ralph Campbell
2021-06-17 19:16     ` Ralph Campbell
2021-06-17 19:16     ` Ralph Campbell
2021-06-28 16:46     ` Felix Kuehling
2021-06-28 16:46       ` Felix Kuehling
2021-06-28 16:46       ` Felix Kuehling
2021-06-30  0:23       ` Ralph Campbell
2021-06-30  0:23         ` Ralph Campbell
2021-06-30  0:23         ` Ralph Campbell
2021-06-17 15:17 ` [PATCH v3 3/8] kernel: resource: lookup_resource as exported symbol Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:17 ` [PATCH v3 4/8] drm/amdkfd: add SPM support for SVM Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:17 ` [PATCH v3 5/8] drm/amdkfd: generic type as sys mem on migration to ram Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:17 ` Alex Sierra [this message]
2021-06-17 15:17   ` [PATCH v3 6/8] include/linux/mm.h: helpers to check zone device generic type Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:17 ` [PATCH v3 7/8] mm: add generic type support to migrate_vma helpers Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:17 ` [PATCH v3 8/8] mm: call pgmap->ops->page_free for DEVICE_GENERIC pages Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:17   ` Alex Sierra
2021-06-17 15:56 ` [PATCH v3 0/8] Support DEVICE_GENERIC memory in migrate_vma_* Sierra Guiza, Alejandro (Alex)
2021-06-17 15:56   ` Sierra Guiza, Alejandro (Alex)
2021-06-17 15:56   ` Sierra Guiza, Alejandro (Alex)
2021-06-20 14:14 ` Theodore Ts'o
2021-06-20 14:14   ` Theodore Ts'o
2021-06-20 14:14   ` Theodore Ts'o
2021-06-23 21:49   ` Felix Kuehling
2021-06-23 21:49     ` Felix Kuehling
2021-06-23 21:49     ` Felix Kuehling
2021-06-24  5:30     ` Christoph Hellwig
2021-06-24  5:30       ` Christoph Hellwig
2021-06-24 15:08       ` Felix Kuehling
2021-06-24 15:08         ` Felix Kuehling
2021-06-24 15:08         ` Felix Kuehling
2021-07-16 15:07     ` Theodore Y. Ts'o
2021-07-16 15:07       ` Theodore Y. Ts'o
2021-07-16 15:07       ` Theodore Y. Ts'o
2021-07-16 22:14       ` Felix Kuehling
2021-07-16 22:14         ` Felix Kuehling
2021-07-16 22:14         ` Felix Kuehling
2021-07-17 19:54         ` Sierra Guiza, Alejandro (Alex)
2021-07-17 19:54           ` Sierra Guiza, Alejandro (Alex)
2021-07-17 19:54           ` Sierra Guiza, Alejandro (Alex)
2021-07-23 22:46           ` Sierra Guiza, Alejandro (Alex)
2021-07-23 22:46             ` Sierra Guiza, Alejandro (Alex)
2021-07-23 22:46             ` Sierra Guiza, Alejandro (Alex)
2021-07-30 19:02             ` Felix Kuehling

find likely ancestor, descendant, or conflicting patches for this message:
dfblob:d8d79bb94be dfblob:d8d79bb94be dfblob:d8d79bb94be
dfblob:f5b247a6304 dfblob:f5b247a6304 dfblob:f5b247a6304
	(help)

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