On 01/21/2015 03:08 AM, Christoffer Dall wrote: > On Thu, Jan 15, 2015 at 03:58:51PM -0800, Mario Smarduch wrote: >> Patch series adds support for armv7/8 dirty page logging. As we move >> towards generic dirty page logging interface we move some common code to >> generic layer shared by x86, armv7 and armv8. >> >> armv7/8 Dirty page logging implementation overivew- >> - initially write protects memory region 2nd stage page tables >> - read dirty page log and again write protect dirty pages for next pass. >> - second stage huge pages are dissolved into normal pages to keep track of >> dirty memory at page granularity. Tracking at huge page granularity >> limits granularity of marking dirty memory and migration to a light memory >> load. Small page size logging supports higher memory dirty rates, enables >> rapid migration. >> >> armv7 supports 2MB Huge page, and armv8 supports 2MB (4kb) and >> 512MB (64kb) >> - In the event migration is canceled, normal behavior is resumed huge pages >> are rebuilt over time. >> > > Thanks, applied. > > -Christoffer > Thanks! And also to other folks that helped along the way in shaping the design and reviews. - Mario -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
