From: Hyeonggon Yoo <42.hyeyoo@gmail.com>
To: Minchan Kim <minchan@kernel.org>,
Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Matthew Wilcox <willy@infradead.org>,
Vishal Moola <vishal.moola@gmail.com>,
Alex Shi <seakeel@gmail.com>, Hyeonggon Yoo <42.hyeyoo@gmail.com>,
Alex Shi <alexs@kernel.org>
Subject: [PATCH v9 mm-unstable 05/18] mm/zsmalloc: convert obj_malloc() to use zpdesc
Date: Tue, 17 Dec 2024 00:04:36 +0900 [thread overview]
Message-ID: <20241216150450.1228021-6-42.hyeyoo@gmail.com> (raw)
In-Reply-To: <20241216150450.1228021-1-42.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 e71da84ad73a..b7fab2e28d87 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1295,12 +1295,12 @@ 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;
@@ -1308,14 +1308,14 @@ 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_local_page(m_page);
+ vaddr = kmap_local_zpdesc(m_zpdesc);
link = (struct link_free *)vaddr + m_offset / sizeof(*link);
set_freeobj(zspage, link->next >> OBJ_TAG_BITS);
if (likely(!ZsHugePage(zspage)))
@@ -1327,7 +1327,7 @@ static unsigned long obj_malloc(struct zs_pool *pool,
kunmap_local(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;
--
2.43.5
next prev parent reply other threads:[~2024-12-16 15:05 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-16 15:04 [PATCH v9 mm-unstable 00/18] Add zpdesc memory descriptor for zswap.zpool Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 01/18] mm/zsmalloc: add " Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 02/18] mm/zsmalloc: use zpdesc in trylock_zspage()/lock_zspage() Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 03/18] mm/zsmalloc: convert __zs_map_object/__zs_unmap_object to use zpdesc Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 04/18] mm/zsmalloc: add and use pfn/zpdesc seeking funcs Hyeonggon Yoo
2024-12-16 15:04 ` Hyeonggon Yoo [this message]
2024-12-16 15:04 ` [PATCH v9 mm-unstable 06/18] mm/zsmalloc: convert create_page_chain() and its users to use zpdesc Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 07/18] mm/zsmalloc: convert obj_allocated() and related helpers " Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 08/18] mm/zsmalloc: convert init_zspage() " Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 09/18] mm/zsmalloc: convert obj_to_page() and zs_free() " Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 10/18] mm/zsmalloc: add two helpers for zs_page_migrate() and make it " Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 11/18] mm/zsmalloc: convert reset_page to reset_zpdesc Hyeonggon Yoo
2025-01-10 4:43 ` Matthew Wilcox
2025-01-10 6:08 ` Hyeonggon Yoo
2025-01-11 1:32 ` Andrew Morton
2025-01-13 15:29 ` [PATCH v9 mm-unstable 19/19] mm/zsmalloc: reset zpdesc fields in reset_zpdesc() Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 12/18] mm/zsmalloc: convert __free_zspage() to use zpdesc Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 13/18] mm/zsmalloc: convert location_to_obj() to take zpdesc Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 14/18] mm/zsmalloc: convert migrate_zspage() to use zpdesc Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 15/18] mm/zsmalloc: convert get_zspage() to take zpdesc Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 16/18] mm/zsmalloc: convert SetZsPageMovable and remove unused funcs Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 17/18] mm/zsmalloc: convert get/set_first_obj_offset() to take zpdesc Hyeonggon Yoo
2024-12-16 15:04 ` [PATCH v9 mm-unstable 18/18] mm/zsmalloc: introduce __zpdesc_clear/set_zsmalloc() Hyeonggon Yoo
2024-12-26 1:54 ` [PATCH v9 mm-unstable 00/18] Add zpdesc memory descriptor for zswap.zpool Sergey Senozhatsky
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