mm/swap: account synchronous swap reads as memory stall

On Fri, Oct 30, 2026 at 5:00 AM Johannes Weiner hannes@cmpxchg.org wrote: > > On Fri, Oct 30, 2026 at 02:31:42AM +0800, Kairui Song via B4 Relay wrote: > > From: Josef Bacik josef@toxicpanda.com >