On Mon, Dec 29, 2014 at 11:07:27AM +0100, Martin Schwidefsky wrote: > On Wed, 24 Dec 2014 14:22:38 +0200 > "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx> wrote: > > > We've replaced remap_file_pages(2) implementation with emulation. > > Nobody creates non-linear mapping anymore. > > > > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > > Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> > > Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx> > > --- > > @@ -279,7 +279,6 @@ static inline int is_module_addr(void *addr) > > * > > * pte_present is true for the bit pattern .xx...xxxxx1, (pte & 0x001) == 0x001 > > * pte_none is true for the bit pattern .10...xxxx00, (pte & 0x603) == 0x400 > > - * pte_file is true for the bit pattern .11...xxxxx0, (pte & 0x601) == 0x600 > > * pte_swap is true for the bit pattern .10...xxxx10, (pte & 0x603) == 0x402 > > */ > > Nice, once this is upstream I can free up one of the software bits in > the pte by redefining the type bits. Right now all of them are used up. > Is the removal of non-linear mappings a done deal ? Yes, if no horrible regression will be reported. We don't create non-linear mapping in -mm (and -next) tree for a few release cycles. Nobody complained so far. Ack? -- 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>