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From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	David Hildenbrand <david@redhat.com>,
	Oscar Salvador <osalvador@suse.de>, SeongJae Park <sj@kernel.org>
Cc: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
	<damon@lists.linux.dev>, <vishal.moola@gmail.com>,
	<willy@infradead.org>, Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH -next 3/8] mm: huge_memory: convert split_huge_pages_all() to use folios
Date: Tue, 13 Dec 2022 17:27:30 +0800	[thread overview]
Message-ID: <20221213092735.187924-4-wangkefeng.wang@huawei.com> (raw)
In-Reply-To: <20221213092735.187924-1-wangkefeng.wang@huawei.com>

Straightforwardly convert split_huge_pages_all() to use folio function.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/huge_memory.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index abe6cfd92ffa..02092dd10aa4 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2933,7 +2933,7 @@ static struct shrinker deferred_split_shrinker = {
 static void split_huge_pages_all(void)
 {
 	struct zone *zone;
-	struct page *page;
+	struct folio *folio;
 	unsigned long pfn, max_zone_pfn;
 	unsigned long total = 0, split = 0;
 
@@ -2945,25 +2945,27 @@ static void split_huge_pages_all(void)
 		for (pfn = zone->zone_start_pfn; pfn < max_zone_pfn; pfn++) {
 			int nr_pages;
 
-			page = pfn_to_online_page(pfn);
-			if (!page || !get_page_unless_zero(page))
+			folio = pfn_to_online_folio(pfn);
+			if (!folio || !folio_try_get(folio))
 				continue;
 
-			if (zone != page_zone(page))
+			if (zone != folio_zone(folio))
 				goto next;
 
-			if (!PageHead(page) || PageHuge(page) || !PageLRU(page))
+			if (!folio_test_large(folio)
+				|| folio_test_hugetlb(folio)
+				|| !folio_test_lru(folio))
 				goto next;
 
 			total++;
-			lock_page(page);
-			nr_pages = thp_nr_pages(page);
-			if (!split_huge_page(page))
+			folio_lock(folio);
+			nr_pages = folio_nr_pages(folio);
+			if (!split_folio(folio))
 				split++;
 			pfn += nr_pages - 1;
-			unlock_page(page);
+			folio_unlock(folio);
 next:
-			put_page(page);
+			folio_put(folio);
 			cond_resched();
 		}
 	}
-- 
2.35.3


  parent reply	other threads:[~2022-12-13  9:29 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-13  9:27 [PATCH -next 0/8] mm: converted page idle and damon to use folios Kefeng Wang
2022-12-13  9:27 ` [PATCH -next 1/8] mm: memory_hotplug: add pfn_to_online_folio() Kefeng Wang
2022-12-13 11:13   ` kernel test robot
2022-12-13 11:36     ` Kefeng Wang
2022-12-13 11:23   ` kernel test robot
2022-12-13 11:40   ` David Hildenbrand
2022-12-13 12:13     ` Kefeng Wang
2022-12-13 14:42       ` David Hildenbrand
2022-12-13 14:47       ` Matthew Wilcox
2022-12-14  1:10         ` Kefeng Wang
2022-12-13 12:03   ` kernel test robot
2022-12-14  4:15   ` kernel test robot
2022-12-13  9:27 ` [PATCH -next 2/8] mm: page_idle: Convert page idle to use folios Kefeng Wang
2022-12-13 14:34   ` Matthew Wilcox
2022-12-13 19:14   ` SeongJae Park
2022-12-13  9:27 ` Kefeng Wang [this message]
2022-12-13  9:27 ` [PATCH -next 4/8] mm: damon: add temporary damon_get_folio() Kefeng Wang
2022-12-13 14:40   ` Matthew Wilcox
2022-12-13 19:18     ` SeongJae Park
2022-12-13  9:27 ` [PATCH -next 5/8] mm: damon: convert damon_ptep/pmdp_mkold() to use folios Kefeng Wang
2022-12-13  9:27 ` [PATCH -next 6/8] mm: damon: paddr: convert damon_pa_*() " Kefeng Wang
2022-12-13  9:27 ` [PATCH -next 7/8] mm: damon: vaddr: convert damon_young_pmd_entry() to use folio Kefeng Wang
2022-12-13  9:27 ` [PATCH -next 8/8] mm: damon: remove unneed damon_get_page() Kefeng Wang
2022-12-13 19:26   ` SeongJae Park

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