Commit cf675acb authored by Ganesh Mahendran's avatar Ganesh Mahendran Committed by Linus Torvalds
Browse files

mm/zsmalloc: take obj index back from find_alloced_obj

the obj index value should be updated after return from
find_alloced_obj() to avoid CPU burning caused by unnecessary object


Signed-off-by: default avatarGanesh Mahendran <>
Reviewed-by: default avatarSergey Senozhatsky <>
Acked-by: default avatarMinchan Kim <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 41b88e14
......@@ -1741,10 +1741,11 @@ static void zs_object_copy(struct size_class *class, unsigned long dst,
* return handle.
static unsigned long find_alloced_obj(struct size_class *class,
struct page *page, int index)
struct page *page, int *obj_idx)
unsigned long head;
int offset = 0;
int index = *obj_idx;
unsigned long handle = 0;
void *addr = kmap_atomic(page);
......@@ -1765,6 +1766,9 @@ static unsigned long find_alloced_obj(struct size_class *class,
*obj_idx = index;
return handle;
......@@ -1790,7 +1794,7 @@ static int migrate_zspage(struct zs_pool *pool, struct size_class *class,
int ret = 0;
while (1) {
handle = find_alloced_obj(class, s_page, obj_idx);
handle = find_alloced_obj(class, s_page, &obj_idx);
if (!handle) {
s_page = get_next_page(s_page);
if (!s_page)
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