diff options
| author | Matthew Wilcox (Oracle) | 2022-09-02 20:46:04 +0100 |
|---|---|---|
| committer | Andrew Morton | 2022-10-03 14:02:45 -0700 |
| commit | 907ea17eb2b436f07332c935476d77893abae735 (patch) | |
| tree | 5050dd659c8644d6a267b2663a5e40b8659d1650 /include | |
| parent | 4cd400fd1f55dde1fa430a706828042daed94c43 (diff) | |
shmem: convert shmem_replace_page() to use folios throughout
Introduce folio_set_swap_entry() to abstract how both folio->private and
swp_entry_t work. Use swap_address_space() directly instead of
indirecting through folio_mapping(). Include an assertion that the old
folio is not large as we only allocate a single-page folio to replace it.
Use folio_put_refs() instead of calling folio_put() twice.
Link: https://lkml.kernel.org/r/20220902194653.1739778-9-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/swap.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 2ede1e3695d9..61e13d1a4cab 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -355,6 +355,11 @@ static inline swp_entry_t folio_swap_entry(struct folio *folio) return entry; } +static inline void folio_set_swap_entry(struct folio *folio, swp_entry_t entry) +{ + folio->private = (void *)entry.val; +} + /* linux/mm/workingset.c */ void workingset_age_nonresident(struct lruvec *lruvec, unsigned long nr_pages); void *workingset_eviction(struct folio *folio, struct mem_cgroup *target_memcg); |