[PATCH 1/3] mm/zsmalloc.c: remove confusing code in obj_free()

From: Miaohe Lin
Date: Thu Jun 24 2021 - 08:40:38 EST


OBJ_ALLOCATED_TAG is only set for handle to indicate allocated object. It's
irrelevant with obj. So remove this misleading code to improve readability.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/zsmalloc.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 0b0addd34ea6..1476289b619f 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1471,7 +1471,6 @@ static void obj_free(struct size_class *class, unsigned long obj)
unsigned int f_objidx;
void *vaddr;

- obj &= ~OBJ_ALLOCATED_TAG;
obj_to_location(obj, &f_page, &f_objidx);
f_offset = (class->size * f_objidx) & ~PAGE_MASK;
zspage = get_zspage(f_page);
--
2.23.0