From: Hyeonggon Yoo <42.hyeyoo@gmail.com>
To: Minchan Kim <minchan@kernel.org>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Matthew Wilcox <willy@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Hyeonggon Yoo <42.hyeyoo@gmail.com>
Subject: [RFC PATCH 12/25] mm/zsmalloc: convert obj_to_page() and zs_free() to use zsdesc
Date: Mon, 20 Feb 2023 13:22:05 +0000 [thread overview]
Message-ID: <20230220132218.546369-13-42.hyeyoo@gmail.com> (raw)
In-Reply-To: <20230220132218.546369-1-42.hyeyoo@gmail.com>
Convert obj_to_page() to obj_to_zsdesc() and also convert its user
zs_free() to use zsdesc.
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
---
mm/zsmalloc.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index cfcd63c50c36..bbb65fb8749a 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1020,10 +1020,10 @@ static void obj_to_location(unsigned long obj, struct zsdesc **zsdesc,
*obj_idx = (obj & OBJ_INDEX_MASK);
}
-static void obj_to_page(unsigned long obj, struct page **page)
+static void obj_to_zsdesc(unsigned long obj, struct zsdesc **zsdesc)
{
obj >>= OBJ_TAG_BITS;
- *page = pfn_to_page(obj >> OBJ_INDEX_BITS);
+ *zsdesc = pfn_zsdesc(obj >> OBJ_INDEX_BITS);
}
/**
@@ -1787,7 +1787,7 @@ static void obj_free(int class_size, unsigned long obj, unsigned long *handle)
void zs_free(struct zs_pool *pool, unsigned long handle)
{
struct zspage *zspage;
- struct page *f_page;
+ struct zsdesc *f_zsdesc;
unsigned long obj;
struct size_class *class;
enum fullness_group fullness;
@@ -1801,8 +1801,8 @@ void zs_free(struct zs_pool *pool, unsigned long handle)
*/
spin_lock(&pool->lock);
obj = handle_to_obj(handle);
- obj_to_page(obj, &f_page);
- zspage = get_zspage(f_page);
+ obj_to_zsdesc(obj, &f_zsdesc);
+ zspage = get_zspage(zsdesc_page(f_zsdesc));
class = zspage_class(pool, zspage);
class_stat_dec(class, OBJ_USED, 1);
--
2.25.1
next prev parent reply other threads:[~2023-02-20 13:23 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-20 13:21 [RFC PATCH 00/25] mm/zsmalloc: Split zsdesc from struct page Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 01/25] mm/zsmalloc: create new struct zsdesc Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 02/25] mm/zsmalloc: add utility functions for zsdesc Hyeonggon Yoo
2023-02-27 15:30 ` Mike Rapoport
2023-03-01 6:19 ` Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 03/25] mm/zsmalloc: replace first_page to first_zsdesc in struct zspage Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 04/25] mm/zsmalloc: add alternatives of frequently used helper functions Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 05/25] mm/zsmalloc: convert {try,}lock_zspage() to use zsdesc Hyeonggon Yoo
2023-02-20 13:21 ` [RFC PATCH 06/25] mm/zsmalloc: convert __zs_{map,unmap}_object() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 07/25] mm/zsmalloc: convert obj_to_location() and its users " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 08/25] mm/zsmalloc: convert obj_malloc() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 09/25] mm/zsmalloc: convert create_page_chain() and its users " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 10/25] mm/zsmalloc: convert obj_tagged() and related helpers " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 11/25] mm/zsmalloc: convert init_zspage() " Hyeonggon Yoo
2023-02-20 13:22 ` Hyeonggon Yoo [this message]
2023-02-20 13:22 ` [RFC PATCH 13/25] mm/zsmalloc: convert reset_page() to reset_zsdesc() Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 14/25] mm/zsmalloc: convert zs_page_{isolate,migrate,putback} to use zsdesc Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 15/25] mm/zsmalloc: convert __free_zspage() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 16/25] mm/zsmalloc: convert unlock_zspage() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 17/25] mm/zsmalloc: convert location_to_obj() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 18/25] mm/zsmalloc: convert free_handles() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 19/25] mm/zsmalloc: convert zs_compact_control and its users " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 20/25] mm/zsmalloc: convert get_zspage() to take zsdesc Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 21/25] mm/zsmalloc: convert SetZsPageMovable() to use zsdesc Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 22/25] mm/zsmalloc: convert restore_freelist() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 23/25] mm/zsmalloc: convert zs_reclaim_page() " Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 24/25] mm/zsmalloc: remove now unused helper functions Hyeonggon Yoo
2023-02-20 13:22 ` [RFC PATCH 25/25] mm/zsmalloc: convert {get,set}_first_obj_offset() to use zsdesc Hyeonggon Yoo
2023-02-24 0:01 ` [RFC PATCH 00/25] mm/zsmalloc: Split zsdesc from struct page Minchan Kim
2023-02-28 0:32 ` Hyeonggon Yoo
2023-02-28 2:02 ` Sergey Senozhatsky
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