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 v5 05/21] mm/zsmalloc: convert obj_malloc() to use zpdesc
Date: Tue, 6 Aug 2024 10:22:52 +0800 [thread overview]
Message-ID: <20240806022311.3924442-6-alexs@kernel.org> (raw)
In-Reply-To: <20240806022311.3924442-1-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 384a5ba49788..7421d7678880 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
next prev parent reply other threads:[~2024-08-06 2:18 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-06 2:21 [PATCH v5 00/21] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool alexs
2024-08-06 2:22 ` alexs
2024-08-06 2:22 ` [PATCH v5 01/21] " alexs
2024-08-06 2:22 ` [PATCH v5 02/21] mm/zsmalloc: use zpdesc in trylock_zspage()/lock_zspage() alexs
2024-08-06 2:22 ` [PATCH v5 03/21] mm/zsmalloc: convert __zs_map_object/__zs_unmap_object to use zpdesc alexs
2024-08-06 2:22 ` [PATCH v5 04/21] mm/zsmalloc: add and use pfn/zpdesc seeking funcs alexs
2024-08-06 2:22 ` alexs [this message]
2024-08-06 2:22 ` [PATCH v5 06/21] mm/zsmalloc: convert create_page_chain() and its users to use zpdesc alexs
2024-08-06 2:22 ` [PATCH v5 07/21] mm/zsmalloc: convert obj_allocated() and related helpers " alexs
2024-08-06 2:22 ` [PATCH v5 08/21] mm/zsmalloc: convert init_zspage() " alexs
2024-08-06 2:22 ` [PATCH v5 09/21] mm/zsmalloc: convert obj_to_page() and zs_free() " alexs
2024-08-06 2:22 ` [PATCH v5 10/21] mm/zsmalloc: add zpdesc_is_isolated()/zpdesc_zone() helper for zs_page_migrate() alexs
2024-08-06 2:22 ` [PATCH v5 11/21] mm/zsmalloc: rename reset_page to reset_zpdesc and use zpdesc in it alexs
2024-08-06 2:22 ` [PATCH v5 12/21] mm/zsmalloc: convert __free_zspage() to use zdsesc alexs
2024-08-06 2:23 ` [PATCH v5 13/21] mm/zsmalloc: convert location_to_obj() to take zpdesc alexs
2024-08-06 2:23 ` [PATCH v5 14/21] mm/zsmalloc: convert migrate_zspage() to use zpdesc alexs
2024-08-06 2:23 ` [PATCH v5 15/21] mm/zsmalloc: convert get_zspage() to take zpdesc alexs
2024-08-06 2:23 ` [PATCH v5 16/21] mm/zsmalloc: convert SetZsPageMovable and remove unused funcs alexs
2024-08-06 2:23 ` [PATCH v5 17/21] mm/zsmalloc: convert get/set_first_obj_offset() to take zpdesc alexs
2024-08-06 2:23 ` [PATCH v5 18/21] mm/zsmalloc: introduce __zpdesc_clear_movable alexs
2024-08-06 2:23 ` [PATCH v5 19/21] mm/zsmalloc: introduce __zpdesc_clear/set_zsmalloc() alexs
2024-08-06 2:23 ` [PATCH v5 20/21] mm/zsmalloc: introduce zpdesc_clear_first() helper alexs
2024-08-06 2:23 ` [PATCH v5 21/21] mm/zsmalloc: update comments for page->zpdesc changes alexs
[not found] ` <20240806123213.2a747a8321bdf452b3307fa9@linux-foundation.org>
[not found] ` <CAJD7tkakcaLVWi0viUqaW0K81VoCuGmkCHN4KQXp5+SSJLMB9g@mail.gmail.com>
[not found] ` <20240807051754.GA428000@google.com>
[not found] ` <ZrQ9lrZKWdPR7Zfu@casper.infradead.org>
2024-08-09 2:32 ` [PATCH v5 00/21] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool Alex Shi
2024-08-15 3:13 ` Sergey Senozhatsky
2024-08-15 3:50 ` Alex Shi
2024-08-14 6:03 ` Sergey Senozhatsky
2024-08-27 23:19 ` Vishal Moola
2024-08-29 9:42 ` Alex Shi
2024-09-04 19:51 ` Vishal Moola
2024-09-04 20:21 ` Yosry Ahmed
2024-09-03 3:20 ` Sergey Senozhatsky
2024-09-03 17:35 ` Vishal Moola
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