diff options
| author |   Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-09-02 20:46:00 +0100 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:02:45 -0700 |
| commit | d788f5b374c2ba204fed57e39acf2452acc24812 (patch) | |
| tree | 093b3289a56ac413dc8572d8dbb7f412579975ee | |
| parent | mm: reimplement folio_order() and folio_nr_pages() (diff) | |
| download | linux-dev-d788f5b374c2ba204fed57e39acf2452acc24812.tar.xz linux-dev-d788f5b374c2ba204fed57e39acf2452acc24812.zip | |
mm: add split_folio()
This wrapper removes a need to use split_huge_page(&folio->page). Convert
two callers.
Link: https://lkml.kernel.org/r/20220902194653.1739778-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/huge_mm.h | 5 | ||||
| -rw-r--r-- | mm/shmem.c | 2 | ||||
| -rw-r--r-- | mm/truncate.c | 2 |
3 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 38265f9f782e..a1341fdcf666 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -444,6 +444,11 @@ static inline int split_folio_to_list(struct folio *folio, return split_huge_page_to_list(&folio->page, list); } +static inline int split_folio(struct folio *folio) +{ + return split_folio_to_list(folio, NULL); +} + /* * archs that select ARCH_WANTS_THP_SWAP but don't support THP_SWP due to * limitations in the implementation like arm64 MTE can override this to diff --git a/mm/shmem.c b/mm/shmem.c index 42e5888bf84d..674bde8b3085 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -629,7 +629,7 @@ next: goto move_back; } - ret = split_huge_page(&folio->page); + ret = split_folio(folio); folio_unlock(folio); folio_put(folio); diff --git a/mm/truncate.c b/mm/truncate.c index 0b0708bf935f..c0be77e5c008 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -240,7 +240,7 @@ bool truncate_inode_partial_folio(struct folio *folio, loff_t start, loff_t end) folio_invalidate(folio, offset, length); if (!folio_test_large(folio)) return true; - if (split_huge_page(&folio->page) == 0) + if (split_folio(folio) == 0) return true; if (folio_test_dirty(folio)) return false; |