Re: [GIT PULL v2] Early SLAB fixes for 2.6.31

[Nick Piggin]

On Tue, Jun 16, 2009 at 07:37:22AM +1000, Benjamin Herrenschmidt wrote:
> On Mon, 2009-06-15 at 13:38 +0200, Nick Piggin wrote:
> > On Mon, Jun 15, 2009 at 01:28:28PM +0200, Nick Piggin wrote:
> > > On Mon, Jun 15, 2009 at 01:22:05PM +0200, Nick Piggin wrote:
> > > > On Mon, Jun 15, 2009 at 08:39:48PM +1000, Benjamin Herrenschmidt wrote:
> > > > But I won't live with having it shit in our nice core code...
> > > > Well, at least I won't throw up my hands and give up this
> > > > early.
> > > 
> > > Just the principle, btw.
> > 
> > I have the same opinion for suspend/resume too, although
> > in that case I know less about the issues and if we
> > found that it indeed does make a random driver writers
> > life easier[*] then it might be a reason to do this. But
> > I still don't think that would give boot code a license to
> > just revert back to "I don't know or care, GFP_KERNEL pelase"
> > 
> > [*] and note that being unaware of your context I don't
> > think is making life easier automatically.
> 
> The suspend/resume case is even worse ... because drivers don't know,
> and don't have to.

I said suspend/resume I have the same opinion. The difference
there is that these kind of allocator hacks _could_ possibly
help regular driver writers and such. Which I said is a much
better case than helping early boot code.

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