Since commit 55c653b71e8c ("mm: stop accounting shadow entries"),
nr_shadows is not used anymore.
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/swap_state.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/mm/swap_state.c b/mm/swap_state.c
index df5405384520..bab386c7b655 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -114,7 +114,6 @@ int add_to_swap_cache(struct page *page, swp_entry_t entry,
SetPageSwapCache(page);
do {
- unsigned long nr_shadows = 0;
xas_lock_irq(&xas);
xas_create_range(&xas);
@@ -124,7 +123,6 @@ int add_to_swap_cache(struct page *page, swp_entry_t entry,
VM_BUG_ON_PAGE(xas.xa_index != idx + i, page);
old = xas_load(&xas);
if (xa_is_value(old)) {
- nr_shadows++;
if (shadowp)
*shadowp = old;
}
@@ -260,7 +258,6 @@ void clear_shadow_from_swap_cache(int type, unsigned long begin,
void *old;
for (;;) {
- unsigned long nr_shadows = 0;
swp_entry_t entry = swp_entry(type, curr);
struct address_space *address_space = swap_address_space(entry);
XA_STATE(xas, &address_space->i_pages, curr);
@@ -270,7 +267,6 @@ void clear_shadow_from_swap_cache(int type, unsigned long begin,
if (!xa_is_value(old))
continue;
xas_store(&xas, NULL);
- nr_shadows++;
}
xa_unlock_irq(&address_space->i_pages);
--
2.23.0
