the obj index value should be updated after return from find_alloced_obj() Signed-off-by: Ganesh Mahendran <opensource.ganesh@xxxxxxxxx> --- mm/zsmalloc.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 405baa5..5c96ed1 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1744,15 +1744,16 @@ 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 *index) { unsigned long head; int offset = 0; + int objidx = *index; unsigned long handle = 0; void *addr = kmap_atomic(page); offset = get_first_obj_offset(page); - offset += class->size * index; + offset += class->size * objidx; while (offset < PAGE_SIZE) { head = obj_to_head(page, addr + offset); @@ -1764,9 +1765,11 @@ static unsigned long find_alloced_obj(struct size_class *class, } offset += class->size; - index++; + objidx++; } + *index = objidx; + kunmap_atomic(addr); return handle; } @@ -1794,11 +1797,11 @@ static int migrate_zspage(struct zs_pool *pool, struct size_class *class, unsigned long handle; struct page *s_page = cc->s_page; struct page *d_page = cc->d_page; - unsigned long index = cc->index; + unsigned int index = cc->index; int ret = 0; while (1) { - handle = find_alloced_obj(class, s_page, index); + handle = find_alloced_obj(class, s_page, &index); if (!handle) { s_page = get_next_page(s_page); if (!s_page) -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>