On Wed, Jul 29, 2015 at 08:08:22AM -0700, Michel Lespinasse wrote: > On Wed, Jul 29, 2015 at 7:45 AM, Vladimir Davydov <vdavydov@xxxxxxxxxxxxx> > wrote: > > Page table scan approach has the inherent problem - it ignores unmapped > > page cache. If a workload does a lot of read/write or map-access-unmap > > operations, we won't be able to even roughly estimate its wss. > > You can catch that in mark_page_accessed on those paths, though. Actually, the problem here is how to find an unmapped page cache page *to mark it idle*, not to mark it accessed. Thanks, Vladimir -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
