On Mon, Oct 16, 2023 at 01:29:55PM +0800, Huang Ying wrote: > This can be used to estimate the size of the data cache slice that can > be used by one CPU under ideal circumstances. Both DATA caches and > UNIFIED caches are used in calculation. So, the users need to consider > the impact of the code cache usage. > > Because the cache inclusive/non-inclusive information isn't available > now, we just use the size of the per-CPU slice of LLC to make the > result more predictable across architectures. This may be improved > when more cache information is available in the future. > > A brute-force algorithm to iterate all online CPUs is used to avoid > to allocate an extra cpumask, especially in offline callback. > > Signed-off-by: "Huang, Ying" <ying.huang@xxxxxxxxx> Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> -- Mel Gorman SUSE Labs
