On 2024-04-20 16:25:05 [-0700], Shakeel Butt wrote: > mod_memcg_lruvec_state() is never called from outside of memcontrol.c > and with always irq disabled. So, replace it with the irq disabled > version and add an assert that irq is disabled in the caller. unless PREEMPT_RT is enabled. In that case IRQs are not disabled as part of local_lock_irqsave(&memcg_stock.stock_lock, …) leading to: | ------------[ cut here ]------------ | WARNING: CPU: 0 PID: 1 at mm/memcontrol.c:3150 __mod_objcg_mlstate+0xc2/0x110 | CPU: 0 PID: 1 Comm: systemd Not tainted 6.10.0-rc1-rt0+ #17 | Call Trace: | <TASK> | mod_objcg_state+0x2b3/0x320 | __memcg_slab_post_alloc_hook+0x13c/0x340 | kmem_cache_alloc_lru_noprof+0x2bd/0x2e0 | alloc_inode+0x59/0xc0 | iget_locked+0xf0/0x290 suggestions? Sebastian
