Messages in this thread | | | Date | Tue, 10 Apr 2018 11:09:17 +0200 | From | Michal Hocko <> | Subject | Re: [v3 PATCH] mm: introduce arg_lock to protect arg_start|end and env_start|end in mm_struct |
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On Tue 10-04-18 05:52:54, Yang Shi wrote: [...] > So, introduce a new spinlock in mm_struct to protect the concurrent > access to arg_start|end, env_start|end and others except start_brk and > brk, which are still protected by mmap_sem to avoid concurrent access > from do_brk().
Is there any fundamental problem with brk using the same lock? -- Michal Hocko SUSE Labs
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