Change Details

Limit the number of consecutive pages from a single object on which vm_pageout_scan_inactive will operate before taking a lock break in order to improve concurrent access latency. Sponsored by: Dell EMC Isilon

Limit the number of consecutive pages from a single object on which vm_pageout_scan_inactive will operate before taking a lock break in order to improve concurrent access latency. Sponsored by: Dell EMC Isilon --- This may not be fully baked. I don't have great rationale for why 32 pages, except that it seems large enough to get most of the benefit of doing pages in runs and small enough not to hog the lock for too long.

Limit the number of consecutive pages from a single object on which vm_pageout_scan_inactive will operate before taking a lock break in order to improve concurrent access latency. Sponsored by: Dell EMC Isilon --- This may not be fully baked. I don't have great rationale for why 32 pages, except that it seems large enough to get most of the benefit of doing pages in runs and small enough not to hog the lock for too long.