From cd57a3fb37f91ef6106bc970d2b5c5878d3b5627 Mon Sep 17 00:00:00 2001 From: Baoquan He Date: Wed, 5 Feb 2025 17:27:11 +0800 Subject: [PATCH] mm/swap_state.c: optimize the code in clear_shadow_from_swap_cache() Use ALIGN to achieve the same effect and simplify the code. Link: https://lkml.kernel.org/r/20250205092721.9395-3-bhe@redhat.com Signed-off-by: Baoquan He Cc: Chris Li Cc: Kairui Song Signed-off-by: Andrew Morton --- mm/swap_state.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/swap_state.c b/mm/swap_state.c index aabde86d1f47e..8a84371980e94 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -270,9 +270,7 @@ void clear_shadow_from_swap_cache(int type, unsigned long begin, xa_unlock_irq(&address_space->i_pages); /* search the next swapcache until we meet end */ - curr >>= SWAP_ADDRESS_SPACE_SHIFT; - curr++; - curr <<= SWAP_ADDRESS_SPACE_SHIFT; + curr = ALIGN((curr + 1), SWAP_ADDRESS_SPACE_PAGES); if (curr > end) break; } -- 2.39.5