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-rw-r--r--mm/swap_slots.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/mm/swap_slots.c b/mm/swap_slots.c
index 58f6c78f1dad..90c1032a8ac3 100644
--- a/mm/swap_slots.c
+++ b/mm/swap_slots.c
@@ -263,7 +263,8 @@ 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);
+ cache->nr = get_swap_pages(SWAP_SLOTS_CACHE_SIZE, false,
+ cache->slots);
return cache->nr;
}
@@ -301,11 +302,19 @@ direct_free:
return 0;
}
-swp_entry_t get_swap_page(void)
+swp_entry_t get_swap_page(struct page *page)
{
swp_entry_t entry, *pentry;
struct swap_slots_cache *cache;
+ entry.val = 0;
+
+ if (PageTransHuge(page)) {
+ if (IS_ENABLED(CONFIG_THP_SWAP))
+ get_swap_pages(1, true, &entry);
+ return entry;
+ }
+
/*
* Preemption is allowed here, because we may sleep
* in refill_swap_slots_cache(). But it is safe, because
@@ -317,7 +326,6 @@ swp_entry_t get_swap_page(void)
*/
cache = raw_cpu_ptr(&swp_slots);
- entry.val = 0;
if (check_cache_active()) {
mutex_lock(&cache->alloc_lock);
if (cache->slots) {
@@ -337,7 +345,7 @@ repeat:
return entry;
}
- get_swap_pages(1, &entry);
+ get_swap_pages(1, false, &entry);
return entry;
}