On 03/05/2018 11:29 AM, Khalid Aziz wrote: > ADI data is per page data and is held in the spare bits in the RAM. It > is loaded into the cache when data is loaded from RAM and flushed out to > spare bits in the RAM when data is flushed from cache. Sparc allows one > tag for each ADI block size of data and ADI block size is same as > cacheline size.
Which does not square with your earlier assertion "ADI data is per page data". It's per-cacheline data. Right? > When a page is loaded into RAM from swap space, all of > the associated ADI data for the page must also be loaded into the RAM, > so it looks like page level data and storing it in page level software > data structure makes sense. I am open to other suggestions though. Do you have a way to tell that data is not being thrown away? Like if the ADI metadata is different for two different cachelines within a single page?
