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 TQ6Ulv+l sQrmI21/ltFWC3zZrzagxkhSImvF8YzEp2nHTkn3agk042Met5JNg3Psm7/c3oYmYO5b4w38RA9SPX2tSleclk1QN2MdfBK/BJOb0DouSZVtGJmR+tfZoMclEXXzFTwLchjlrao+FxZ31So/WZ2hZPYgpFg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Convert isolate_hugetlb() to take in a folio and convert its callers to pass a folio. Use page_folio() to convert the callers to use a folio is safe as isolate_hugetlb() operates on a head page. Signed-off-by: Sidhartha Kumar Reviewed-by: Mike Kravetz --- include/linux/hugetlb.h | 4 ++-- mm/gup.c | 2 +- mm/hugetlb.c | 16 ++++++++-------- mm/memory-failure.c | 2 +- mm/memory_hotplug.c | 2 +- mm/mempolicy.c | 2 +- mm/migrate.c | 2 +- 7 files changed, 15 insertions(+), 15 deletions(-) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 551834cd5299..482929b2d044 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -169,7 +169,7 @@ bool hugetlb_reserve_pages(struct inode *inode, long from, long to, vm_flags_t vm_flags); long hugetlb_unreserve_pages(struct inode *inode, long start, long end, long freed); -int isolate_hugetlb(struct page *page, struct list_head *list); +int isolate_hugetlb(struct folio *folio, struct list_head *list); int get_hwpoison_huge_page(struct page *page, bool *hugetlb, bool unpoison); int get_huge_page_for_hwpoison(unsigned long pfn, int flags, bool *migratable_cleared); @@ -374,7 +374,7 @@ static inline pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, return NULL; } -static inline int isolate_hugetlb(struct page *page, struct list_head *list) +static inline int isolate_hugetlb(struct folio *folio, struct list_head *list) { return -EBUSY; } diff --git a/mm/gup.c b/mm/gup.c index 5182abaaecde..bdb00b9df89e 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1843,7 +1843,7 @@ static unsigned long collect_longterm_unpinnable_pages( continue; if (folio_test_hugetlb(folio)) { - isolate_hugetlb(&folio->page, movable_page_list); + isolate_hugetlb(folio, movable_page_list); continue; } diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 0c58f6519b9a..540f33d8cc51 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2781,7 +2781,7 @@ static int alloc_and_dissolve_hugetlb_folio(struct hstate *h, * Fail with -EBUSY if not possible. */ spin_unlock_irq(&hugetlb_lock); - ret = isolate_hugetlb(&old_folio->page, list); + ret = isolate_hugetlb(old_folio, list); spin_lock_irq(&hugetlb_lock); goto free_new; } else if (!folio_test_hugetlb_freed(old_folio)) { @@ -2856,7 +2856,7 @@ int isolate_or_dissolve_huge_page(struct page *page, struct list_head *list) if (hstate_is_gigantic(h)) return -ENOMEM; - if (folio_ref_count(folio) && !isolate_hugetlb(&folio->page, list)) + if (folio_ref_count(folio) && !isolate_hugetlb(folio, list)) ret = 0; else if (!folio_ref_count(folio)) ret = alloc_and_dissolve_hugetlb_folio(h, folio, list); @@ -7271,19 +7271,19 @@ __weak unsigned long hugetlb_mask_last_page(struct hstate *h) * These functions are overwritable if your architecture needs its own * behavior. */ -int isolate_hugetlb(struct page *page, struct list_head *list) +int isolate_hugetlb(struct folio *folio, struct list_head *list) { int ret = 0; spin_lock_irq(&hugetlb_lock); - if (!PageHeadHuge(page) || - !HPageMigratable(page) || - !get_page_unless_zero(page)) { + if (!folio_test_hugetlb(folio) || + !folio_test_hugetlb_migratable(folio) || + !folio_try_get(folio)) { ret = -EBUSY; goto unlock; } - ClearHPageMigratable(page); - list_move_tail(&page->lru, list); + folio_clear_hugetlb_migratable(folio); + list_move_tail(&folio->lru, list); unlock: spin_unlock_irq(&hugetlb_lock); return ret; diff --git a/mm/memory-failure.c b/mm/memory-failure.c index c77a9e37e27e..9a80d7830b40 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -2437,7 +2437,7 @@ static bool isolate_page(struct page *page, struct list_head *pagelist) bool isolated = false; if (PageHuge(page)) { - isolated = !isolate_hugetlb(page, pagelist); + isolated = !isolate_hugetlb(page_folio(page), pagelist); } else { bool lru = !__PageMovable(page); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index fd40f7e9f176..a1e8c3e9ab08 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1641,7 +1641,7 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) if (PageHuge(page)) { pfn = page_to_pfn(head) + compound_nr(head) - 1; - isolate_hugetlb(head, &source); + isolate_hugetlb(folio, &source); continue; } else if (PageTransHuge(page)) pfn = page_to_pfn(head) + thp_nr_pages(page) - 1; diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 61aa9aedb728..4e62b26539c9 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -601,7 +601,7 @@ static int queue_pages_hugetlb(pte_t *pte, unsigned long hmask, /* With MPOL_MF_MOVE, we migrate only unshared hugepage. */ if (flags & (MPOL_MF_MOVE_ALL) || (flags & MPOL_MF_MOVE && page_mapcount(page) == 1)) { - if (isolate_hugetlb(page, qp->pagelist) && + if (isolate_hugetlb(page_folio(page), qp->pagelist) && (flags & MPOL_MF_STRICT)) /* * Failed to isolate page but allow migrating pages diff --git a/mm/migrate.c b/mm/migrate.c index 4aea647a0180..6932b3d5a9dd 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1732,7 +1732,7 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr, if (PageHuge(page)) { if (PageHead(page)) { - err = isolate_hugetlb(page, pagelist); + err = isolate_hugetlb(page_folio(page), pagelist); if (!err) err = 1; } -- 2.39.0