On Sat 20-05-17 08:43:29, Tetsuo Handa wrote: > Michal Hocko wrote: [...] > > Why would looping inside an allocator with a restricted context be any > > better than retrying the whole thing? > > I'm not suggesting you to loop inside an allocator nor retry the whole thing. > I'm suggesting you to avoid returning VM_FAULT_OOM by making allocations > succeed > (by e.g. calling oom_kill_process()) regardless of restricted context if you > want to remove out_of_memory() from pagefault_out_of_memory(), for situation > will not improve until memory is allocated (e.g. somebody else calls > oom_kill_process() via a __GFP_FS allocation request).
And again for the hundred and so many times I will only repeat that triggering OOM from those restricted contexts is just too dangerous without other changes. -- Michal Hocko SUSE Labs
