search for: prep_transhuge_device_private_pag

Displaying 6 results from an estimated 6 matches for "prep_transhuge_device_private_pag".

2020 Nov 06
1
[PATCH v3 1/6] mm/thp: add prep_transhuge_device_private_page()
On Thu, Nov 05, 2020 at 04:51:42PM -0800, Ralph Campbell wrote: > +extern void prep_transhuge_device_private_page(struct page *page); No need for the extern. > +static inline void prep_transhuge_device_private_page(struct page *page) > +{ > +} Is the code to call this even reachable if THP support is configured out? If not just declaring it unconditionally and letting dead code elimination do its...
2020 Sep 02
0
[PATCH v2 4/7] mm/thp: add prep_transhuge_device_private_page()
.../include/linux/huge_mm.h index 87b42c81dedc..126e54da4fee 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -187,6 +187,7 @@ extern unsigned long thp_get_unmapped_area(struct file *filp, unsigned long flags); extern void prep_transhuge_page(struct page *page); +extern void prep_transhuge_device_private_page(struct page *page); extern void free_transhuge_page(struct page *page); bool is_transparent_hugepage(struct page *page); @@ -382,6 +383,10 @@ static inline bool transhuge_vma_suitable(struct vm_area_struct *vma, static inline void prep_transhuge_page(struct page *page) {} +static inline v...
2020 Nov 06
0
[PATCH v3 1/6] mm/thp: add prep_transhuge_device_private_page()
.../include/linux/huge_mm.h index 0365aa97f8e7..3ec26ef27a93 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -184,6 +184,7 @@ extern unsigned long thp_get_unmapped_area(struct file *filp, unsigned long flags); extern void prep_transhuge_page(struct page *page); +extern void prep_transhuge_device_private_page(struct page *page); extern void free_transhuge_page(struct page *page); bool is_transparent_hugepage(struct page *page); @@ -377,6 +378,10 @@ static inline bool transhuge_vma_suitable(struct vm_area_struct *vma, static inline void prep_transhuge_page(struct page *page) {} +static inline v...
2020 Nov 06
1
[PATCH v3 1/6] mm/thp: add prep_transhuge_device_private_page()
...second tail page * as list_head: assuming THP order >= 2 */ + BUG_ON(compound_order(page) == 1); INIT_LIST_HEAD(page_deferred_list(page)); set_compound_page_dtor(page, TRANSHUGE_PAGE_DTOR); + + return page; } It simplifies the users. > +void prep_transhuge_device_private_page(struct page *page) > +{ > + prep_compound_page(page, HPAGE_PMD_ORDER); > + prep_transhuge_page(page); > + /* Only the head page has a reference to the pgmap. */ > + percpu_ref_put_many(page->pgmap->ref, HPAGE_PMD_NR - 1); > +} > +EXPORT_SYMBOL_GPL(prep_transhuge_device_p...
2020 Nov 06
12
[PATCH v3 0/6] mm/hmm/nouveau: add THP migration to migrate_vma_*
...nges in v2: Added splitting a THP midway in the migration process: i.e., in migrate_vma_pages(). [1] https://lore.kernel.org/linux-mm/20200619215649.32297-1-rcampbell at nvidia.com [2] https://lore.kernel.org/linux-mm/20200902165830.5367-1-rcampbell at nvidia.com Ralph Campbell (6): mm/thp: add prep_transhuge_device_private_page() mm/migrate: move migrate_vma_collect_skip() mm: support THP migration to device private memory mm/thp: add THP allocation helper mm/hmm/test: add self tests for THP migration nouveau: support THP migration to private memory drivers/gpu/drm/nouveau/nouveau_dmem.c | 289 +++++++++++----...
2020 Sep 02
10
[PATCH v2 0/7] mm/hmm/nouveau: add THP migration to migrate_vma_*
...iners like Ben Skeggs. [1] https://lore.kernel.org/linux-mm/20200619215649.32297-1-rcampbell at nvidia.com Ralph Campbell (7): mm/thp: fix __split_huge_pmd_locked() for migration PMD mm/migrate: move migrate_vma_collect_skip() mm: support THP migration to device private memory mm/thp: add prep_transhuge_device_private_page() mm/thp: add THP allocation helper mm/hmm/test: add self tests for THP migration nouveau: support THP migration to private memory drivers/gpu/drm/nouveau/nouveau_dmem.c | 289 +++++++++++----- drivers/gpu/drm/nouveau/nouveau_svm.c | 11 +- drivers/gpu/drm/nouveau/nouveau_svm.h | 3 +-...