diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-04-12 22:35:03 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-05-06 03:53:46 +0300 |
| commit | 6e8cda4c2c87b2a44828e651a10705647a6fd542 (patch) | |
| tree | 3d1c5d82a8fcf73114cdf989a2ed9a9c3aa0ebd1 /mm | |
| parent | fed5348ee2b136c84c5a27d6fceef14066beeb66 (diff) | |
| download | linux-6e8cda4c2c87b2a44828e651a10705647a6fd542.tar.xz | |
mm: convert hugetlb_page_mapping_lock_write to folio
The page is only used to get the mapping, so the folio will do just as
well. Both callers already have a folio available, so this saves a call
to compound_head().
Link: https://lkml.kernel.org/r/20240412193510.2356957-7-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb.c | 6 | ||||
| -rw-r--r-- | mm/memory-failure.c | 2 | ||||
| -rw-r--r-- | mm/migrate.c | 2 |
3 files changed, 5 insertions, 5 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 3b7d5ddc32ad..417fc5cdb6ee 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2155,13 +2155,13 @@ static bool prep_compound_gigantic_folio_for_demote(struct folio *folio, /* * Find and lock address space (mapping) in write mode. * - * Upon entry, the page is locked which means that page_mapping() is + * Upon entry, the folio is locked which means that folio_mapping() is * stable. Due to locking order, we can only trylock_write. If we can * not get the lock, simply return NULL to caller. */ -struct address_space *hugetlb_page_mapping_lock_write(struct page *hpage) +struct address_space *hugetlb_folio_mapping_lock_write(struct folio *folio) { - struct address_space *mapping = page_mapping(hpage); + struct address_space *mapping = folio_mapping(folio); if (!mapping) return mapping; diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 4daf581e3878..1a5f3403dd2a 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1624,7 +1624,7 @@ static bool hwpoison_user_mappings(struct page *p, unsigned long pfn, * TTU_RMAP_LOCKED to indicate we have taken the lock * at this higher level. */ - mapping = hugetlb_page_mapping_lock_write(hpage); + mapping = hugetlb_folio_mapping_lock_write(folio); if (mapping) { try_to_unmap(folio, ttu|TTU_RMAP_LOCKED); i_mmap_unlock_write(mapping); diff --git a/mm/migrate.c b/mm/migrate.c index c7692f303fa7..dd04f578c19c 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1425,7 +1425,7 @@ static int unmap_and_move_huge_page(new_folio_t get_new_folio, * semaphore in write mode here and set TTU_RMAP_LOCKED * to let lower levels know we have taken the lock. */ - mapping = hugetlb_page_mapping_lock_write(&src->page); + mapping = hugetlb_folio_mapping_lock_write(src); if (unlikely(!mapping)) goto unlock_put_anon; |