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-rw-r--r--include/linux/swap.h2
-rw-r--r--mm/swap_slots.c8
-rw-r--r--mm/swapfile.c16
3 files changed, 13 insertions, 13 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 1a8bd05a335e..8e2c11e692ba 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -447,7 +447,7 @@ extern void si_swapinfo(struct sysinfo *);
extern swp_entry_t get_swap_page(struct page *page);
extern void put_swap_page(struct page *page, swp_entry_t entry);
extern swp_entry_t get_swap_page_of_type(int);
-extern int get_swap_pages(int n, bool cluster, swp_entry_t swp_entries[]);
+extern int get_swap_pages(int n, swp_entry_t swp_entries[], int entry_size);
extern int add_swap_count_continuation(swp_entry_t, gfp_t);
extern void swap_shmem_alloc(swp_entry_t);
extern int swap_duplicate(swp_entry_t);
diff --git a/mm/swap_slots.c b/mm/swap_slots.c
index 008ccb22fee6..63a7b4563a57 100644
--- a/mm/swap_slots.c
+++ b/mm/swap_slots.c
@@ -269,8 +269,8 @@ 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, false,
- cache->slots);
+ cache->nr = get_swap_pages(SWAP_SLOTS_CACHE_SIZE,
+ cache->slots, 1);
return cache->nr;
}
@@ -316,7 +316,7 @@ swp_entry_t get_swap_page(struct page *page)
if (PageTransHuge(page)) {
if (IS_ENABLED(CONFIG_THP_SWAP))
- get_swap_pages(1, true, &entry);
+ get_swap_pages(1, &entry, HPAGE_PMD_NR);
goto out;
}
@@ -350,7 +350,7 @@ repeat:
goto out;
}
- get_swap_pages(1, false, &entry);
+ get_swap_pages(1, &entry, 1);
out:
if (mem_cgroup_try_charge_swap(page, entry)) {
put_swap_page(page, entry);
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 043645e7f0b5..b30dd0642ccf 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -940,18 +940,18 @@ static unsigned long scan_swap_map(struct swap_info_struct *si,
}
-int get_swap_pages(int n_goal, bool cluster, swp_entry_t swp_entries[])
+int get_swap_pages(int n_goal, swp_entry_t swp_entries[], int entry_size)
{
- unsigned long nr_pages = cluster ? SWAPFILE_CLUSTER : 1;
+ unsigned long size = swap_entry_size(entry_size);
struct swap_info_struct *si, *next;
long avail_pgs;
int n_ret = 0;
int node;
/* Only single cluster request supported */
- WARN_ON_ONCE(n_goal > 1 && cluster);
+ WARN_ON_ONCE(n_goal > 1 && size == SWAPFILE_CLUSTER);
- avail_pgs = atomic_long_read(&nr_swap_pages) / nr_pages;
+ avail_pgs = atomic_long_read(&nr_swap_pages) / size;
if (avail_pgs <= 0)
goto noswap;
@@ -961,7 +961,7 @@ int get_swap_pages(int n_goal, bool cluster, swp_entry_t swp_entries[])
if (n_goal > avail_pgs)
n_goal = avail_pgs;
- atomic_long_sub(n_goal * nr_pages, &nr_swap_pages);
+ atomic_long_sub(n_goal * size, &nr_swap_pages);
spin_lock(&swap_avail_lock);
@@ -988,14 +988,14 @@ start_over:
spin_unlock(&si->lock);
goto nextsi;
}
- if (cluster) {
+ if (size == SWAPFILE_CLUSTER) {
if (!(si->flags & SWP_FILE))
n_ret = swap_alloc_cluster(si, swp_entries);
} else
n_ret = scan_swap_map_slots(si, SWAP_HAS_CACHE,
n_goal, swp_entries);
spin_unlock(&si->lock);
- if (n_ret || cluster)
+ if (n_ret || size == SWAPFILE_CLUSTER)
goto check_out;
pr_debug("scan_swap_map of si %d failed to find offset\n",
si->type);
@@ -1021,7 +1021,7 @@ nextsi:
check_out:
if (n_ret < n_goal)
- atomic_long_add((long)(n_goal - n_ret) * nr_pages,
+ atomic_long_add((long)(n_goal - n_ret) * size,
&nr_swap_pages);
noswap:
return n_ret;