diff mbox series

[RFC,08/25] mm/zsmalloc: convert obj_malloc() to use zsdesc

Message ID 20230220132218.546369-9-42.hyeyoo@gmail.com (mailing list archive)
State New
Headers show
Series mm/zsmalloc: Split zsdesc from struct page | expand

Commit Message

Hyeonggon Yoo Feb. 20, 2023, 1:22 p.m. UTC 
Convert obj_malloc() to use zsdesc and replace helper functions with
new ones that take zsdesc.

Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
---
 mm/zsmalloc.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 56cb93629c7f..4386a24a246c 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1637,12 +1637,12 @@  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;
 
@@ -1651,14 +1651,14 @@  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 & ~PAGE_MASK;
-	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)))
@@ -1671,7 +1671,7 @@  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;
 }