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 -- To unsubscribe from this list: send the line "unsubscribe kvm-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
