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, linux-kernel@vger.kernel.org,
Matthew Wilcox <willy@infradead.org>,
Mike Rapoport <rppt@kernel.org>,
Hyeonggon Yoo <42.hyeyoo@gmail.com>
Subject: [RFC PATCH v2 08/21] mm/zsmalloc: convert obj_malloc() to use zsdesc
Date: Thu, 13 Jul 2023 13:20:23 +0900 [thread overview]
Message-ID: <20230713042037.980211-9-42.hyeyoo@gmail.com> (raw)
In-Reply-To: <20230713042037.980211-1-42.hyeyoo@gmail.com>
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
---
mm/zsmalloc.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index be9762a49237..06227da86afc 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1412,12 +1412,12 @@ 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_zsdesc, offset;
unsigned long obj;
struct link_free *link;
struct size_class *class;
- struct page *m_page;
+ struct zsdesc *m_zsdesc;
unsigned long m_offset;
void *vaddr;
@@ -1426,14 +1426,14 @@ static unsigned long obj_malloc(struct zs_pool *pool,
obj = get_freeobj(zspage);
offset = obj * class->size;
- nr_page = offset >> PAGE_SHIFT;
+ nr_zsdesc = offset >> PAGE_SHIFT;
m_offset = offset_in_page(offset);
- m_page = get_first_page(zspage);
+ m_zsdesc = get_first_zsdesc(zspage);
- for (i = 0; i < nr_page; i++)
- m_page = get_next_page(m_page);
+ for (i = 0; i < nr_zsdesc; i++)
+ m_zsdesc = get_next_zsdesc(m_zsdesc);
- vaddr = kmap_atomic(m_page);
+ vaddr = zsdesc_kmap_atomic(m_zsdesc);
link = (struct link_free *)vaddr + m_offset / sizeof(*link);
set_freeobj(zspage, link->next >> OBJ_TAG_BITS);
if (likely(!ZsHugePage(zspage)))
@@ -1446,7 +1446,7 @@ 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(zsdesc_page(m_zsdesc), obj);
return obj;
}
--
2.41.0
next prev parent reply other threads:[~2023-07-13 4:21 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-13 4:20 [RFC PATCH v2 00/21] mm/zsmalloc: Split zsdesc from struct page Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 01/21] mm/zsmalloc: create new struct zsdesc Hyeonggon Yoo
2023-07-20 7:47 ` Sergey Senozhatsky
2023-07-13 4:20 ` [RFC PATCH v2 02/21] mm/zsmalloc: add utility functions for zsdesc Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 03/21] mm/zsmalloc: replace first_page to first_zsdesc in struct zspage Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 04/21] mm/zsmalloc: add alternatives of frequently used helper functions Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 05/21] mm/zsmalloc: convert {try,}lock_zspage() to use zsdesc Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 06/21] mm/zsmalloc: convert __zs_{map,unmap}_object() " Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 07/21] mm/zsmalloc: convert obj_to_location() and its users " Hyeonggon Yoo
2023-07-13 4:20 ` Hyeonggon Yoo [this message]
2023-07-13 4:20 ` [RFC PATCH v2 09/21] mm/zsmalloc: convert create_page_chain() and its user " Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 10/21] mm/zsmalloc: convert obj_allocated() and related helpers " Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 11/21] mm/zsmalloc: convert init_zspage() " Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 12/21] mm/zsmalloc: convert obj_to_page() and zs_free() " Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 13/21] mm/zsmalloc: convert reset_page() to reset_zsdesc() Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 14/21] mm/zsmalloc: convert zs_page_{isolate,migrate,putback} to use zsdesc Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 15/21] mm/zsmalloc: convert __free_zspage() " Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 16/21] mm/zsmalloc: convert location_to_obj() " Hyeonggon Yoo
2023-07-20 7:49 ` Sergey Senozhatsky
2023-07-13 4:20 ` [RFC PATCH v2 17/21] mm/zsmalloc: convert migrate_zspage() " Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 18/21] mm/zsmalloc: convert get_zspage() to take zsdesc Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 19/21] mm/zsmalloc: convert SetZsPageMovable() to use zsdesc Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 20/21] mm/zsmalloc: remove now unused helper functions Hyeonggon Yoo
2023-07-13 4:20 ` [RFC PATCH v2 21/21] mm/zsmalloc: convert {get,set}_first_obj_offset() to use zsdesc Hyeonggon Yoo
2023-07-20 7:18 ` [RFC PATCH v2 00/21] mm/zsmalloc: Split zsdesc from struct page Sergey Senozhatsky
2023-07-20 7:54 ` Yosry Ahmed
2023-07-20 11:34 ` Hyeonggon Yoo
2023-07-20 18:31 ` Yosry Ahmed
2023-07-20 21:33 ` Hyeonggon Yoo
2023-07-20 21:38 ` Yosry Ahmed
2023-07-20 21:52 ` Hyeonggon Yoo
2023-07-20 21:57 ` Yosry Ahmed
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