On Mon, Aug 21, 2023 at 10:28:27PM +0200, Mateusz Guzik wrote: > > While with the patch these allocations remain a significant problem, > > the primary bottleneck shifts to: > > > > __pv_queued_spin_lock_slowpath+1 > > _raw_spin_lock_irqsave+57 > > folio_lruvec_lock_irqsave+91 > > release_pages+590 > > tlb_batch_pages_flush+61 > > tlb_finish_mmu+101 > > exit_mmap+327 > > __mmput+61 > > begin_new_exec+1245 > > load_elf_binary+712 > > bprm_execve+644 > > do_execveat_common.isra.0+429 > > __x64_sys_execve+50 > > do_syscall_64+46 > > entry_SYSCALL_64_after_hwframe+110 > > I intend to do more work on the area to mostly sort it out, but I would > not mind if someone else took the hammer to folio. :) Funny you should ask ... these patches are from ~3 weeks ago. They may or may not apply to a current tree, but I'm working on this area.
