Re: [PATCH 30/38] s390: drop pte_file()-related helpers
From: Martin Schwidefsky <hidden>
Date: 2014-12-30 10:56:08
Also in:
linux-mm, lkml
On Mon, 29 Dec 2014 12:37:57 +0200 "Kirill A. Shutemov" [off-list ref] wrote:
On Mon, Dec 29, 2014 at 11:07:27AM +0100, Martin Schwidefsky wrote:quoted
On Wed, 24 Dec 2014 14:22:38 +0200 "Kirill A. Shutemov" [off-list ref] wrote:quoted
We've replaced remap_file_pages(2) implementation with emulation. Nobody creates non-linear mapping anymore. Signed-off-by: Kirill A. Shutemov <redacted> Cc: Martin Schwidefsky <redacted> Cc: Heiko Carstens <redacted> ---@@ -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?
Yes, ack! -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>