On Thu, 30 Jan 2014 00:04:59 +0400 Andrey Vagin <ava...@openvz.org> wrote:
> The SOFT_DIRTY bit shows that the content of memory was changed > after a defined point in the past. mprotect() doesn't change the > content of memory, so it must not change the SOFT_DIRTY bit. > > This patch does nothing with _PAGE_SWP_SOFT_DIRTY, becase pte_modify() > is called only for present pages. Standard complaint: when fixing a bug, please describe the end-user visible effects of that bug. afaict the effects are minor: snapshotting will save/copy more pages than it needs to, but there will be no malfunction. Hence a -stable backport is unneeded. Agree? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
