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| author | Ryan Roberts <ryan.roberts@arm.com> | 2024-04-08 21:39:43 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-04-26 06:56:37 +0300 |
| commit | 9faaa0f8168bfcd81469b0724b25ba3093097a08 (patch) | |
| tree | 77fc67c2780be5a666981b198d810753142ca113 /mm/swap_slots.c | |
| parent | 14c62da21b2b865f4fc0c49edd74ed7299927d35 (diff) | |
| download | linux-9faaa0f8168bfcd81469b0724b25ba3093097a08.tar.xz | |
mm: swap: update get_swap_pages() to take folio order
We are about to allow swap storage of any mTHP size. To prepare for that,
let's change get_swap_pages() to take a folio order parameter instead of
nr_pages. This makes the interface self-documenting; a power-of-2 number
of pages must be provided. We will also need the order internally so this
simplifies accessing it.
Link: https://lkml.kernel.org/r/20240408183946.2991168-5-ryan.roberts@arm.com
Signed-off-by: Ryan Roberts <ryan.roberts@arm.com>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Barry Song <21cnbao@gmail.com>
Cc: Barry Song <v-songbaohua@oppo.com>
Cc: Chris Li <chrisl@kernel.org>
Cc: Gao Xiang <xiang@kernel.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Lance Yang <ioworker0@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/swap_slots.c')
| -rw-r--r-- | mm/swap_slots.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/swap_slots.c b/mm/swap_slots.c index 53abeaf1371d..13ab3b771409 100644 --- a/mm/swap_slots.c +++ b/mm/swap_slots.c @@ -264,7 +264,7 @@ static int refill_swap_slots_cache(struct swap_slots_cache *cache) cache->cur = 0; if (swap_slot_cache_active) cache->nr = get_swap_pages(SWAP_SLOTS_CACHE_SIZE, - cache->slots, 1); + cache->slots, 0); return cache->nr; } @@ -311,7 +311,7 @@ swp_entry_t folio_alloc_swap(struct folio *folio) if (folio_test_large(folio)) { if (IS_ENABLED(CONFIG_THP_SWAP)) - get_swap_pages(1, &entry, folio_nr_pages(folio)); + get_swap_pages(1, &entry, folio_order(folio)); goto out; } @@ -343,7 +343,7 @@ repeat: goto out; } - get_swap_pages(1, &entry, 1); + get_swap_pages(1, &entry, 0); out: if (mem_cgroup_try_charge_swap(folio, entry)) { put_swap_folio(folio, entry); |