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
Cc: Alex Shi <alexs@kernel.org>
Subject: [PATCH 05/20] mm/zsmalloc: convert obj_malloc() to use zpdesc
Date: Fri, 28 Jun 2024 11:11:20 +0800 [thread overview]
Message-ID: <20240628031138.429622-6-alexs@kernel.org> (raw)
In-Reply-To: <20240628031138.429622-1-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 efb1d58b3c36..137b36515acf 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1324,12 +1324,12 @@ 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;
@@ -1338,14 +1338,14 @@ 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)))
@@ -1358,7 +1358,7 @@ 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);
return obj;
}
--
2.43.0
next prev parent reply other threads:[~2024-06-28 3:07 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-28 3:11 [PATCH 00/20] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool alexs
2024-06-28 3:11 ` [PATCH 01/20] " alexs
2024-06-30 13:45 ` Hyeonggon Yoo
2024-07-01 3:03 ` Alex Shi
2024-07-01 3:40 ` Alex Shi
2024-07-01 13:42 ` Yosry Ahmed
2024-07-02 2:39 ` Alex Shi
2024-06-28 3:11 ` [PATCH 02/20] mm/zsmalloc: use zpdesc in trylock_zspage/lock_zspage alexs
2024-06-28 3:11 ` [PATCH 03/20] mm/zsmalloc: convert __zs_map_object/__zs_unmap_object to use zpdesc alexs
2024-06-28 3:11 ` [PATCH 04/20] mm/zsmalloc: add and use pfn/zpdesc seeking funcs alexs
2024-06-28 3:11 ` alexs [this message]
2024-06-28 3:11 ` [PATCH 06/20] mm/zsmalloc: convert create_page_chain() and its users to use zpdesc alexs
2024-06-28 3:11 ` [PATCH 07/20] mm/zsmalloc: convert obj_allocated() and related helpers " alexs
2024-06-28 3:11 ` [PATCH 08/20] mm/zsmalloc: convert init_zspage() " alexs
2024-06-28 3:11 ` [PATCH 09/20] mm/zsmalloc: convert obj_to_page() and zs_free() " alexs
2024-06-28 3:11 ` [PATCH 10/20] mm/zsmalloc: add zpdesc_is_isolated/zpdesc_zone helper for zs_page_migrate alexs
2024-06-28 3:11 ` [PATCH 11/20] mm/zsmalloc: rename reset_page to reset_zpdesc and use zpdesc in it alexs
2024-06-28 3:11 ` [PATCH 12/20] mm/zsmalloc: convert __free_zspage() to use zdsesc alexs
2024-06-28 3:11 ` [PATCH 13/20] mm/zsmalloc: convert location_to_obj() to take zpdesc alexs
2024-06-28 3:11 ` [PATCH 14/20] mm/zsmalloc: convert migrate_zspage() to use zpdesc alexs
2024-06-28 3:11 ` [PATCH 15/20] mm/zsmalloc: convert get_zspage() to take zpdesc alexs
2024-06-28 3:11 ` [PATCH 16/20] mm/zsmalloc: convert SetZsPageMovable and remove unused funcs alexs
2024-06-28 3:11 ` [PATCH 17/20] mm/zsmalloc: convert get/set_first_obj_offset() to take zpdesc alexs
2024-06-28 3:11 ` [PATCH 18/20] mm/zsmalloc: introduce __zpdesc_clear_movable alexs
2024-06-28 3:11 ` [PATCH 19/20] mm/zsmalloc: introduce __zpdesc_clear_zsmalloc alexs
2024-06-28 3:11 ` [PATCH 20/20] mm/zsmalloc: introduce __zpdesc_set_zsmalloc() alexs
2024-06-28 7:26 ` [PATCH 00/20] mm/zsmalloc: add zpdesc memory descriptor for zswap.zpool Alex Shi
2024-06-28 7:30 ` Alex Shi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240628031138.429622-6-alexs@kernel.org \
--to=alexs@kernel.org \
--cc=42.hyeyoo@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=david@redhat.com \
--cc=linmiaohe@huawei.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=minchan@kernel.org \
--cc=senozhatsky@chromium.org \
--cc=vitaly.wool@konsulko.com \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).