Re: %u-order allocation failed

[Mikulas Patocka]

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On Sat, 6 Oct 2001, Mikulas Patocka wrote:

> On Sat, 6 Oct 2001, Rik van Riel wrote:
> 
> > On Sat, 6 Oct 2001, Mikulas Patocka wrote:
> > 
> > > Buddy allocator is broken - kill it. Or at least do not misuse it for
> > > anything except kernel or driver initialization.
> > 
> > Please send patches to get rid of the buddy allocator while
> > still making it possible to allocate contiguous chunks of
> > memory.
> > 
> > If you have any idea on how to fix things, this would be a
> > good time to let us know.
> 
> Here goes the fix. (note that I didn't try to compile it so there may be
> bugs, but you see the point). 
> 
> kmalloc should be fixed too (used badly for example in select.c - and yes
> - I have seen real world bugreports for poll randomly failing with
> ENOMEM), but it will be hard to audit all drivers that they do not try to
> use dma on kmallocated memory. 

This is enhanced version of a patch that fixes select and poll as well.
Again - not compiled, not tried. 

Mikulas

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