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2010 Oct 27
2
[Qemu-devel] Re: [PATCH] Implement a virtio GPU transport
On 19/10/10 11:39, Avi Kivity wrote: > On 10/19/2010 12:31 PM, Ian Molton wrote: >>> 2. should start with a patch to the virtio-pci spec to document what >>> you're doing >> >> Where can I find that spec? > > http://ozlabs.org/~rusty/virtio-spec/ Ok, but I'm not patching that until theres been some review. There are links to the associated qemu and
2010 Oct 27
2
[Qemu-devel] Re: [PATCH] Implement a virtio GPU transport
On 19/10/10 11:39, Avi Kivity wrote: > On 10/19/2010 12:31 PM, Ian Molton wrote: >>> 2. should start with a patch to the virtio-pci spec to document what >>> you're doing >> >> Where can I find that spec? > > http://ozlabs.org/~rusty/virtio-spec/ Ok, but I'm not patching that until theres been some review. There are links to the associated qemu and
2022 Jul 08
0
[PATCH v2 07/19] mm/migrate: Convert expected_page_refs() to folio_expected_refs()
...refs += folio_nr_pages(folio); > > + if (folio_get_private(folio)) > > + refs++; > > + > > + return refs; > > } > > > > /* > > @@ -359,7 +364,7 @@ int folio_migrate_mapping(struct address_space *mapping, > > XA_STATE(xas, &mapping->i_pages, folio_index(folio)); > > struct zone *oldzone, *newzone; > > int dirty; > > - int expected_count = expected_page_refs(mapping, &folio->page) + extra_count; > > + int expected_count = folio_expected_refs(mapping, folio) + extra_count; > > long nr = folio_...
2022 Jul 08
0
[PATCH v2 07/19] mm/migrate: Convert expected_page_refs() to folio_expected_refs()
...refs += folio_nr_pages(folio); > > + if (folio_get_private(folio)) > > + refs++; > > + > > + return refs; > > } > > > > /* > > @@ -359,7 +364,7 @@ int folio_migrate_mapping(struct address_space *mapping, > > XA_STATE(xas, &mapping->i_pages, folio_index(folio)); > > struct zone *oldzone, *newzone; > > int dirty; > > - int expected_count = expected_page_refs(mapping, &folio->page) + extra_count; > > + int expected_count = folio_expected_refs(mapping, folio) + extra_count; > > long nr = folio_...
2020 Nov 06
0
[PATCH v3 3/6] mm: support THP migration to device private memory
...an be beyond i_size: drop them from page cache */ if (head[i].index >= end) { ClearPageDirty(head + i); @@ -2474,6 +2497,9 @@ static void __split_huge_page(struct page *page, struct list_head *list, if (PageSwapCache(head)) { page_ref_add(head, 2); xa_unlock(&swap_cache->i_pages); + } else if (is_device_private_page(head)) { + percpu_ref_get_many(page->pgmap->ref, nr - 1); + page_ref_add(head, 2); } else { page_ref_inc(head); } @@ -2485,6 +2511,9 @@ static void __split_huge_page(struct page *page, struct list_head *list, spin_unlock_irqrestore(&am...
2020 Nov 06
12
[PATCH v3 0/6] mm/hmm/nouveau: add THP migration to migrate_vma_*
This series adds support for transparent huge page migration to migrate_vma_*() and adds nouveau SVM and HMM selftests as consumers. Earlier versions were posted previously [1] and [2]. The patches apply cleanly to the linux-mm 5.10.0-rc2 tree. There are a lot of other THP patches being posted. I don't think there are any semantic conflicts but there may be some merge conflicts depending on
2020 Sep 02
10
[PATCH v2 0/7] mm/hmm/nouveau: add THP migration to migrate_vma_*
This series adds support for transparent huge page migration to migrate_vma_*() and adds nouveau SVM and HMM selftests as consumers. An earlier version was posted previously [1]. This version now supports splitting a THP midway in the migration process which led to a number of changes. The patches apply cleanly to the current linux-mm tree. Since there are a couple of patches in linux-mm from Dan