diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2022-12-30 10:08:44 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-01-19 04:12:52 +0300 |
| commit | 5e012bba019afa6aca74df19751783a47d16ebf7 (patch) | |
| tree | b73b0f82bda90cb34aa353a440f7c17c72880ece /mm/damon/ops-common.h | |
| parent | 5acc17fd35e62780a14e4198deb2a6d1d57aa372 (diff) | |
| download | linux-5e012bba019afa6aca74df19751783a47d16ebf7.tar.xz | |
mm/damon: introduce damon_get_folio()
Introduce damon_get_folio(), and the temporary wrapper function
damon_get_page(), which help us to convert damon related functions to use
folios, and it will be dropped once the conversion is completed.
Link: https://lkml.kernel.org/r/20221230070849.63358-4-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/damon/ops-common.h')
| -rw-r--r-- | mm/damon/ops-common.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mm/damon/ops-common.h b/mm/damon/ops-common.h index 8d82d3722204..65f290f0a9d6 100644 --- a/mm/damon/ops-common.h +++ b/mm/damon/ops-common.h @@ -7,7 +7,14 @@ #include <linux/damon.h> -struct page *damon_get_page(unsigned long pfn); +struct folio *damon_get_folio(unsigned long pfn); +static inline struct page *damon_get_page(unsigned long pfn) +{ + struct folio *folio = damon_get_folio(pfn); + + /* when folio is NULL, return &(0->page) mean return NULL */ + return &folio->page; +} void damon_ptep_mkold(pte_t *pte, struct mm_struct *mm, unsigned long addr); void damon_pmdp_mkold(pmd_t *pmd, struct mm_struct *mm, unsigned long addr); |