On Sun, Jun 21, 2015 at 09:11:31PM +0300, Kirill A. Shutemov wrote: > On Sat, Jun 20, 2015 at 02:28:06PM +0300, Ebru Akagunduz wrote: > > + /* pte is unmapped now, we need to map it */ > > + pte = pte_offset_map(pmd, _address); > > No, it's within the same pte page table. It should be mapped with > pte_offset_map() above. Ahh.. do_swap_page() will unmap it. Probably worth rewording the comment. -- Kirill A. Shutemov -- 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>