[PATCH v7 05/21] mm/zsmalloc: convert obj_malloc() to use zpdesc

[alexs@xxxxxxxxxx]

From: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Alex Shi <alexs@xxxxxxxxxx>
---
 mm/zsmalloc.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index a7e73c0de039..664fff88a7f0 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1315,12 +1315,12 @@ 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;
 
@@ -1328,14 +1328,14 @@ 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)))
@@ -1348,7 +1348,7 @@ 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);
 	record_obj(handle, obj);
 
 	return obj;
-- 
2.46.0