Description: mm/vmscan: fix a bug calling wakeup_kswapd() with a wrong zone index References: Notes: carnil> Introduced in c574bbe917036 ("NUMA balancing: optimize page placement for carnil> memory tiering system"). Vulnerable versions: 5.18-rc1. Bugs: upstream: released (6.8-rc7) [2774f256e7c0219e2b0a0894af1c76bdabc4f974] 6.7-upstream-stable: released (6.7.9) [bdd21eed8b72f9e28d6c279f6db258e090c79080] 6.6-upstream-stable: released (6.6.22) [d6159bd4c00594249e305bfe02304c67c506264e] 6.1-upstream-stable: needed 5.10-upstream-stable: N/A "Vulnerable code not present" 4.19-upstream-stable: N/A "Vulnerable code not present" sid: released (6.7.9-1) 6.1-bookworm-security: needed 5.10-bullseye-security: N/A "Vulnerable code not present" 4.19-buster-security: N/A "Vulnerable code not present"