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From: alexs@kernel.org
To: Vitaly Wool <vitaly.wool@konsulko.com>,
	Miaohe Lin <linmiaohe@huawei.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	minchan@kernel.org, willy@infradead.org,
	senozhatsky@chromium.org, david@redhat.com, 42.hyeyoo@gmail.com,
	Yosry Ahmed <yosryahmed@google.com>,
	nphamcs@gmail.com
Cc: Alex Shi <alexs@kernel.org>
Subject: [PATCH v4 05/22] mm/zsmalloc: convert obj_malloc() to use zpdesc
Date: Mon, 29 Jul 2024 19:25:17 +0800	[thread overview]
Message-ID: <20240729112534.3416707-6-alexs@kernel.org> (raw)
In-Reply-To: <20240729112534.3416707-1-alexs@kernel.org>

From: Hyeonggon Yoo <42.hyeyoo@gmail.com>

Use get_first_zpdesc/get_next_zpdesc to replace
get_first_page/get_next_page. no functional change.

Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Signed-off-by: Alex Shi <alexs@kernel.org>
---
 mm/zsmalloc.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 149fe2b332cb..bbc165cb587d 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1322,12 +1322,12 @@ EXPORT_SYMBOL_GPL(zs_huge_class_size);
 static unsigned long obj_malloc(struct zs_pool *pool,
 				struct zspage *zspage, unsigned long handle)
 {
-	int i, nr_page, offset;
+	int i, nr_zpdesc, offset;
 	unsigned long obj;
 	struct link_free *link;
 	struct size_class *class;
 
-	struct page *m_page;
+	struct zpdesc *m_zpdesc;
 	unsigned long m_offset;
 	void *vaddr;
 
@@ -1335,14 +1335,14 @@ static unsigned long obj_malloc(struct zs_pool *pool,
 	obj = get_freeobj(zspage);
 
 	offset = obj * class->size;
-	nr_page = offset >> PAGE_SHIFT;
+	nr_zpdesc = offset >> PAGE_SHIFT;
 	m_offset = offset_in_page(offset);
-	m_page = get_first_page(zspage);
+	m_zpdesc = get_first_zpdesc(zspage);
 
-	for (i = 0; i < nr_page; i++)
-		m_page = get_next_page(m_page);
+	for (i = 0; i < nr_zpdesc; i++)
+		m_zpdesc = get_next_zpdesc(m_zpdesc);
 
-	vaddr = kmap_atomic(m_page);
+	vaddr = zpdesc_kmap_atomic(m_zpdesc);
 	link = (struct link_free *)vaddr + m_offset / sizeof(*link);
 	set_freeobj(zspage, link->next >> OBJ_TAG_BITS);
 	if (likely(!ZsHugePage(zspage)))
@@ -1355,7 +1355,7 @@ static unsigned long obj_malloc(struct zs_pool *pool,
 	kunmap_atomic(vaddr);
 	mod_zspage_inuse(zspage, 1);
 
-	obj = location_to_obj(m_page, obj);
+	obj = location_to_obj(zpdesc_page(m_zpdesc), obj);
 	record_obj(handle, obj);
 
 	return obj;
-- 
2.43.0



  parent reply	other threads:[~2024-07-29 11:20 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-29 11:25 [PATCH v4 00/22] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool alexs
2024-07-29 11:25 ` [PATCH v4 01/22] " alexs
2024-08-02 18:52   ` Vishal Moola
2024-08-05  4:06     ` Alex Shi
2024-08-08 18:21       ` Vishal Moola
2024-08-09  1:57         ` Alex Shi
2024-08-02 19:30   ` Matthew Wilcox
2024-08-05  4:36     ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 02/22] mm/zsmalloc: use zpdesc in trylock_zspage/lock_zspage alexs
2024-08-02 19:02   ` Vishal Moola
2024-08-05  7:55     ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 03/22] mm/zsmalloc: convert __zs_map_object/__zs_unmap_object to use zpdesc alexs
2024-07-30  9:38   ` Sergey Senozhatsky
2024-07-29 11:25 ` [PATCH v4 04/22] mm/zsmalloc: add and use pfn/zpdesc seeking funcs alexs
2024-07-29 11:25 ` alexs [this message]
2024-07-29 11:25 ` [PATCH v4 06/22] mm/zsmalloc: convert create_page_chain() and its users to use zpdesc alexs
2024-08-02 19:09   ` Vishal Moola
2024-08-05  8:20     ` Alex Shi
2024-08-08 18:25       ` Vishal Moola
2024-08-09  1:57         ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 07/22] mm/zsmalloc: convert obj_allocated() and related helpers " alexs
2024-07-29 11:25 ` [PATCH v4 08/22] mm/zsmalloc: convert init_zspage() " alexs
2024-07-29 11:25 ` [PATCH v4 09/22] mm/zsmalloc: convert obj_to_page() and zs_free() " alexs
2024-07-29 11:25 ` [PATCH v4 10/22] mm/zsmalloc: add zpdesc_is_isolated/zpdesc_zone helper for zs_page_migrate alexs
2024-07-29 11:25 ` [PATCH v4 11/22] mm/zsmalloc: rename reset_page to reset_zpdesc and use zpdesc in it alexs
2024-07-29 11:25 ` [PATCH v4 12/22] mm/zsmalloc: convert __free_zspage() to use zdsesc alexs
2024-07-29 11:25 ` [PATCH v4 13/22] mm/zsmalloc: convert location_to_obj() to take zpdesc alexs
2024-07-29 11:25 ` [PATCH v4 14/22] mm/zsmalloc: convert migrate_zspage() to use zpdesc alexs
2024-07-29 11:25 ` [PATCH v4 15/22] mm/zsmalloc: convert get_zspage() to take zpdesc alexs
2024-07-29 11:25 ` [PATCH v4 16/22] mm/zsmalloc: convert SetZsPageMovable and remove unused funcs alexs
2024-07-29 11:25 ` [PATCH v4 17/22] mm/zsmalloc: convert get/set_first_obj_offset() to take zpdesc alexs
2024-07-29 11:25 ` [PATCH v4 18/22] mm/zsmalloc: introduce __zpdesc_clear_movable alexs
2024-07-30  9:34   ` Sergey Senozhatsky
2024-07-30 11:38     ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 19/22] mm/zsmalloc: introduce __zpdesc_clear_zsmalloc alexs
2024-07-29 11:25 ` [PATCH v4 20/22] mm/zsmalloc: introduce __zpdesc_set_zsmalloc() alexs
2024-08-02 19:11   ` Vishal Moola
2024-08-05  8:28     ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 21/22] mm/zsmalloc: fix build warning from lkp testing alexs
2024-08-02 19:13   ` Vishal Moola
2024-08-05  8:38     ` Alex Shi
2024-07-29 11:25 ` [PATCH v4 22/22] mm/zsmalloc: update comments for page->zpdesc changes alexs
2024-07-30  9:37   ` Sergey Senozhatsky
2024-07-30 11:45     ` Alex Shi
2024-07-31  2:16       ` Sergey Senozhatsky
2024-07-31  4:14         ` Alex Shi
2024-08-01  3:13           ` Sergey Senozhatsky
2024-08-01  3:35             ` Matthew Wilcox
2024-08-01  8:06               ` Alex Shi
2024-07-30 12:31 ` [PATCH 23/23] mm/zsmalloc: introduce zpdesc_clear_first() helper alexs

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