From: Baoquan He <bhe@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, akpm@linux-foundation.org, ryncsn@gmail.com,
chrisl@kernel.org, Baoquan He <bhe@redhat.com>
Subject: [PATCH 02/12] mm/swap_state.c: optimize the code in clear_shadow_from_swap_cache()
Date: Wed, 5 Feb 2025 17:27:11 +0800 [thread overview]
Message-ID: <20250205092721.9395-3-bhe@redhat.com> (raw)
In-Reply-To: <20250205092721.9395-1-bhe@redhat.com>
Use ALIGN to achieve the same effect and simplify the code.
Signed-off-by: Baoquan He <bhe@redhat.com>
---
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 59acb55174c8..d7cbf5bb2450 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;
}
--
2.41.0
next prev parent reply other threads:[~2025-02-05 9:27 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-05 9:27 [PATCH 00/12] Tiny cleanup and improvements about SWAP code Baoquan He
2025-02-05 9:27 ` [PATCH 01/12] mm/swap_state.c: fix the obsolete code comment Baoquan He
2025-02-05 9:27 ` Baoquan He [this message]
2025-02-05 9:27 ` [PATCH 03/12] mm/swap: remove SWAP_FLAG_PRIO_SHIFT Baoquan He
2025-02-05 9:27 ` [PATCH 04/12] mm/swap: skip scanning cluster range if it's empty cluster Baoquan He
2025-02-05 17:07 ` Kairui Song
2025-02-06 1:40 ` Baoquan He
2025-02-06 2:14 ` Kairui Song
2025-02-05 9:27 ` [PATCH 05/12] mm/swap: rename swap_is_has_cache() to swap_only_has_cache() Baoquan He
2025-02-05 9:27 ` [PATCH 06/12] mm/swapfile.c: update the code comment above swap_count_continued() Baoquan He
2025-02-06 7:50 ` Kairui Song
2025-02-07 2:46 ` Baoquan He
2025-02-07 2:50 ` [PATCH v2 " Baoquan He
2025-02-05 9:27 ` [PATCH 07/12] mm/swapfile.c: optimize code in setup_clusters() Baoquan He
2025-02-05 9:27 ` [PATCH 08/12] mm/swap_state.c: remove the meaningless code comment Baoquan He
2025-02-05 9:27 ` [PATCH 09/12] mm/swapfile.c: remove the unneeded checking Baoquan He
2025-02-05 9:27 ` [PATCH 10/12] mm/swap: rename swap_swapcount() to swap_entry_swapped() Baoquan He
2025-02-05 9:27 ` [PATCH 11/12] mm/swapfile.c: remove the incorrect code comment Baoquan He
2025-02-05 9:27 ` [PATCH 12/12] mm/swapfile.c: open code cluster_alloc_swap() Baoquan He
2025-02-07 9:36 ` [PATCH 00/12] Tiny cleanup and improvements about SWAP code Kairui Song
2025-02-08 1:08 ` Baoquan He
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