diff options
| author | Hugh Dickins <hughd@google.com> | 2023-10-03 11:25:33 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-10-26 01:47:16 +0200 |
| commit | 23e4883248f0472d806c8b3422ba6257e67bf1a5 (patch) | |
| tree | 2b6696ee767108b2de6747c53cf4a43f4914aee4 /mm/internal.h | |
| parent | mempolicy: remove confusing MPOL_MF_LAZY dead code (diff) | |
| download | linux-23e4883248f0472d806c8b3422ba6257e67bf1a5.tar.xz linux-23e4883248f0472d806c8b3422ba6257e67bf1a5.zip | |
mm: add page_rmappable_folio() wrapper
folio_prep_large_rmappable() is being used repeatedly along with a
conversion from page to folio, a check non-NULL, a check order > 1: wrap
it all up into struct folio *page_rmappable_folio(struct page *).
Link: https://lkml.kernel.org/r/8d92c6cf-eebe-748-e29c-c8ab224c741@google.com
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Tejun heo <tj@kernel.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h index 3eceae1ec4c0..b61034bd50f5 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -415,6 +415,15 @@ static inline void folio_set_order(struct folio *folio, unsigned int order) void folio_undo_large_rmappable(struct folio *folio); +static inline struct folio *page_rmappable_folio(struct page *page) +{ + struct folio *folio = (struct folio *)page; + + if (folio && folio_order(folio) > 1) + folio_prep_large_rmappable(folio); + return folio; +} + static inline void prep_compound_head(struct page *page, unsigned int order) { struct folio *folio = (struct folio *)page; |