Messages in this thread | | | Date | Mon, 29 Jan 2018 11:26:49 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: [netfilter-core] kernel panic: Out of memory and no killable processes... (2) |
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On Mon, Jan 29, 2018 at 08:23:57AM +0100, Florian Westphal wrote: > > vmalloc() once became killable by commit 5d17a73a2ebeb8d1 ("vmalloc: back > > off when the current task is killed") but then became unkillable by commit > > b8c8a338f75e052d ("Revert "vmalloc: back off when the current task is > > killed""). Therefore, we can't handle this problem from MM side. > > Please consider adding some limit from networking side. > > I don't know what "some limit" would be. I would prefer if there was > a way to supress OOM Killer in first place so we can just -ENOMEM user.
Just supressing OOM kill is a bad idea. We still leave a way to allocate arbitrary large buffer in kernel.
-- Kirill A. Shutemov
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