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...te_vma_collect_hole(). This helps make the next patch easier to read. Signed-off-by: Ralph Campbell <rcampbell at nvidia.com> --- mm/migrate.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index c1585ec29827..665516319b66 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -2253,6 +2253,21 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm, #endif /* CONFIG_NUMA */ #ifdef CONFIG_DEVICE_PRIVATE +static int migrate_vma_collect_skip(unsigned long start, + unsigned long end, + struct mm_walk *wal...

...-509,6 +509,8 @@ void free_devmap_managed_page(struct page *page) __ClearPageWaiters(page); mem_cgroup_uncharge(page); + if (PageHead(page)) + free_transhuge_page(page); /* * When a device_private page is freed, the page->mapping field diff --git a/mm/migrate.c b/mm/migrate.c index 665516319b66..7b69a5f91d0a 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -51,6 +51,7 @@ #include <linux/oom.h> #include <asm/tlbflush.h> +#include <asm/pgalloc.h> #define CREATE_TRACE_POINTS #include <trace/events/migrate.h> @@ -2275,19 +2276,28 @@ static int migrate_vma_collec...

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