On Fri, Apr 26, 2024 at 05:37:27PM -0700, Shakeel Butt wrote: > mem_cgroup_events_index is a translation table to get the right index of > the memcg relevant entry for the general vm_event_item. At the moment, > it is defined as integer array. However on a typical system the max > entry of vm_event_item (NR_VM_EVENT_ITEMS) is 113, so we don't need to > use int as storage type of the array. For now just use int8_t as type > and add a BUILD_BUG_ON() and will switch to short once NR_VM_EVENT_ITEMS > touches 127. > > Signed-off-by: Shakeel Butt <shakeel.butt@xxxxxxxxx> Reviewed-by: Roman Gushchin <roman.gushchin@xxxxxxxxx>
