Re: GFP_FAIL?

[Tommy Reynolds]

Pavel Machek <[e-mail]> was pleased to say:

> Hi!
> 
> I need to alloc as much memory as possible, *but not more*. I do not
> want to OOM-kill anything. How do I do this? Tried GFP_KERNEL, will
> oom-kill. GFP_USER will OOM-kill, too.

Try GFP_ATOMIC; GFP_KERNEL sets the __GFP_WAIT flag and you don't want that.
But, if you're really asking how to know how large the current working set is,
so that you don't grab more than your applications are going to need and
eventually OOM, you'll need to set GFP_HAVE_CRYSTAL_BALL ;-)

-- 

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