Re: [PATCH] mm/cgroup.c add error check

[KOSAKI Motohiro]

>  > but if GFP_KERNEL is used, We still need error check, IMHO.
>
>  Yes, but no retry (or if you're sure you cannot fail use __GFP_NOFAIL
>  too, but that is nasty because it has some risk of deadlock under severe
>  oom conditions)

in general coding style, you are right.

but not down-to-earth idea in that case.
call_usermodehelper() is just wrapper of fork-exec.

I don't hope change largely exec() code patch.
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