Re: [PATCH] x86: Fix memory leak of init_vdso_vars()

[Andi Kleen]

On Thu, Jul 21, 2011 at 10:33:14AM -0400, Andy Lutomirski wrote:
> From: Zhitong Wang <wzt.wzt@xxxxxxxxx>
> 
> If init_vdso_vars ran out of memory (not very likely), then it would
> leak a few pages as well.
> 
> Also rename init_vdso_vars to just init_vdso, since initializing
> vvars is just about the only thing this function doesn't do.

Just add a GFP_PANIC, there's no way to recover from this.
Your system will not work without a vdso.

-Andi
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