diff options
-rw-r--r-- | mm/zsmalloc.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 8705a010e2d3..a9a9ff233a13 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c | |||
@@ -1537,7 +1537,12 @@ static void zs_object_copy(unsigned long src, unsigned long dst, | |||
1537 | if (written == class->size) | 1537 | if (written == class->size) |
1538 | break; | 1538 | break; |
1539 | 1539 | ||
1540 | if (s_off + size >= PAGE_SIZE) { | 1540 | s_off += size; |
1541 | s_size -= size; | ||
1542 | d_off += size; | ||
1543 | d_size -= size; | ||
1544 | |||
1545 | if (s_off >= PAGE_SIZE) { | ||
1541 | kunmap_atomic(d_addr); | 1546 | kunmap_atomic(d_addr); |
1542 | kunmap_atomic(s_addr); | 1547 | kunmap_atomic(s_addr); |
1543 | s_page = get_next_page(s_page); | 1548 | s_page = get_next_page(s_page); |
@@ -1546,21 +1551,15 @@ static void zs_object_copy(unsigned long src, unsigned long dst, | |||
1546 | d_addr = kmap_atomic(d_page); | 1551 | d_addr = kmap_atomic(d_page); |
1547 | s_size = class->size - written; | 1552 | s_size = class->size - written; |
1548 | s_off = 0; | 1553 | s_off = 0; |
1549 | } else { | ||
1550 | s_off += size; | ||
1551 | s_size -= size; | ||
1552 | } | 1554 | } |
1553 | 1555 | ||
1554 | if (d_off + size >= PAGE_SIZE) { | 1556 | if (d_off >= PAGE_SIZE) { |
1555 | kunmap_atomic(d_addr); | 1557 | kunmap_atomic(d_addr); |
1556 | d_page = get_next_page(d_page); | 1558 | d_page = get_next_page(d_page); |
1557 | BUG_ON(!d_page); | 1559 | BUG_ON(!d_page); |
1558 | d_addr = kmap_atomic(d_page); | 1560 | d_addr = kmap_atomic(d_page); |
1559 | d_size = class->size - written; | 1561 | d_size = class->size - written; |
1560 | d_off = 0; | 1562 | d_off = 0; |
1561 | } else { | ||
1562 | d_off += size; | ||
1563 | d_size -= size; | ||
1564 | } | 1563 | } |
1565 | } | 1564 | } |
1566 | 1565 | ||