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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 v7 05/21] mm/zsmalloc: convert obj_malloc() to use zpdesc
Date: Mon,  2 Sep 2024 15:21:16 +0800	[thread overview]
Message-ID: <20240902072136.578720-6-alexs@kernel.org> (raw)
In-Reply-To: <20240902072136.578720-1-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 a7e73c0de039..664fff88a7f0 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1315,12 +1315,12 @@ 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;
 
@@ -1328,14 +1328,14 @@ 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)))
@@ -1348,7 +1348,7 @@ 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;
-- 
2.46.0



  parent reply	other threads:[~2024-09-02  7:16 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-02  7:21 [PATCH v7 00/21] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool alexs
2024-09-02  7:21 ` [PATCH v7 01/21] " alexs
2024-12-03 16:51   ` Matthew Wilcox
2024-09-02  7:21 ` [PATCH v7 02/21] mm/zsmalloc: use zpdesc in trylock_zspage()/lock_zspage() alexs
2024-09-02  7:21 ` [PATCH v7 03/21] mm/zsmalloc: convert __zs_map_object/__zs_unmap_object to use zpdesc alexs
2024-09-02  7:21 ` [PATCH v7 04/21] mm/zsmalloc: add and use pfn/zpdesc seeking funcs alexs
2024-09-02  7:21 ` alexs [this message]
2024-09-02  7:21 ` [PATCH v7 06/21] mm/zsmalloc: convert create_page_chain() and its users to use zpdesc alexs
2024-09-02  7:21 ` [PATCH v7 07/21] mm/zsmalloc: convert obj_allocated() and related helpers " alexs
2024-09-02  7:21 ` [PATCH v7 08/21] mm/zsmalloc: convert init_zspage() " alexs
2024-09-02  7:21 ` [PATCH v7 09/21] mm/zsmalloc: convert obj_to_page() and zs_free() " alexs
2024-09-02  7:21 ` [PATCH v7 10/21] mm/zsmalloc: add zpdesc_is_isolated()/zpdesc_zone() helper for zs_page_migrate() alexs
2024-09-02  7:21 ` [PATCH v7 11/21] mm/zsmalloc: rename reset_page to reset_zpdesc and use zpdesc in it alexs
2024-09-02  7:21 ` [PATCH v7 12/21] mm/zsmalloc: convert __free_zspage() to use zdsesc alexs
2024-09-02  7:21 ` [PATCH v7 13/21] mm/zsmalloc: convert location_to_obj() to take zpdesc alexs
2024-09-02  7:21 ` [PATCH v7 14/21] mm/zsmalloc: convert migrate_zspage() to use zpdesc alexs
2024-09-02  7:21 ` [PATCH v7 15/21] mm/zsmalloc: convert get_zspage() to take zpdesc alexs
2024-09-02  7:21 ` [PATCH v7 16/21] mm/zsmalloc: convert SetZsPageMovable and remove unused funcs alexs
2024-09-02  7:21 ` [PATCH v7 17/21] mm/zsmalloc: convert get/set_first_obj_offset() to take zpdesc alexs
2024-09-02  7:21 ` [PATCH v7 18/21] mm/zsmalloc: introduce __zpdesc_clear_movable alexs
2024-09-02  7:21 ` [PATCH v7 19/21] mm/zsmalloc: introduce __zpdesc_clear/set_zsmalloc() alexs
2024-09-02  7:21 ` [PATCH v7 20/21] mm/zsmalloc: introduce zpdesc_clear_first() helper alexs
2024-09-02  7:21 ` [PATCH v7 21/21] mm/zsmalloc: update comments for page->zpdesc changes alexs
2024-09-03  3:35 ` [PATCH v7 00/21] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool Sergey Senozhatsky
2024-09-03  3:45   ` Sergey Senozhatsky
2024-09-03  8:01     ` Alex Shi
2024-09-04  6:54 ` Alex Shi
2024-09-04 20:04   ` Vishal Moola
2024-09-12  2:28     ` Alex Shi
2024-12-02 20:05     ` Vishal Moola
2024-12-03 13:58       ` Alex Shi
2024-12-04 14:01         ` Hyeonggon Yoo

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