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Message-ID: <20240902072136.578720-14-alexs@kernel.org>
Date: Mon, 2 Sep 2024 15:21:24 +0800
From: alexs@...nel.org
To: Vitaly Wool <vitaly.wool@...sulko.com>,
Miaohe Lin <linmiaohe@...wei.com>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org,
linux-mm@...ck.org,
minchan@...nel.org,
willy@...radead.org,
senozhatsky@...omium.org,
david@...hat.com,
42.hyeyoo@...il.com,
Yosry Ahmed <yosryahmed@...gle.com>,
nphamcs@...il.com
Cc: Alex Shi <alexs@...nel.org>
Subject: [PATCH v7 13/21] mm/zsmalloc: convert location_to_obj() to take zpdesc
From: Hyeonggon Yoo <42.hyeyoo@...il.com>
As all users of location_to_obj() now use zpdesc, convert
location_to_obj() to take zpdesc.
Signed-off-by: Hyeonggon Yoo <42.hyeyoo@...il.com>
Signed-off-by: Alex Shi <alexs@...nel.org>
---
mm/zsmalloc.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 5a8fd5fbc962..f94c3a6653c7 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -814,15 +814,15 @@ static void obj_to_zpdesc(unsigned long obj, struct zpdesc **zpdesc)
}
/**
- * location_to_obj - get obj value encoded from (<page>, <obj_idx>)
- * @page: page object resides in zspage
+ * location_to_obj - get obj value encoded from (<zpdesc>, <obj_idx>)
+ * @zpdesc: zpdesc object resides in zspage
* @obj_idx: object index
*/
-static unsigned long location_to_obj(struct page *page, unsigned int obj_idx)
+static unsigned long location_to_obj(struct zpdesc *zpdesc, unsigned int obj_idx)
{
unsigned long obj;
- obj = page_to_pfn(page) << OBJ_INDEX_BITS;
+ obj = zpdesc_pfn(zpdesc) << OBJ_INDEX_BITS;
obj |= obj_idx & OBJ_INDEX_MASK;
return obj;
@@ -1379,7 +1379,7 @@ static unsigned long obj_malloc(struct zs_pool *pool,
kunmap_atomic(vaddr);
mod_zspage_inuse(zspage, 1);
- obj = location_to_obj(zpdesc_page(m_zpdesc), obj);
+ obj = location_to_obj(m_zpdesc, obj);
record_obj(handle, obj);
return obj;
@@ -1866,8 +1866,7 @@ static int zs_page_migrate(struct page *newpage, struct page *page,
old_obj = handle_to_obj(handle);
obj_to_location(old_obj, &dummy, &obj_idx);
- new_obj = (unsigned long)location_to_obj(zpdesc_page(newzpdesc),
- obj_idx);
+ new_obj = (unsigned long)location_to_obj(newzpdesc, obj_idx);
record_obj(handle, new_obj);
}
}
--
2.46.0
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