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SubjectRe: Please don't beat me up (was Re: Bugs and wishes in memory management area)
Date

In linux.dev.kernel, article <vba917nl2ur.fsf@mozart.stat.wisc.edu>,
buhr@stat.wisc.edu (Kevin Buhr) writes:
>
> space it has available. That is to say, your new code has the effect
> of magically boosting the size of physical memory, but the actual
> failure rates of a "kmalloc(1024,GFP_KERNEL)" won't differ, even if
> that call is more likely to cause a page fault under the buddy system
> than under yours.
>
Wrong, actually. Under the current system, I can allocate (a little less
than) three pages with kmalloc, which wastes a fourth page, which won't be
available for your above kmalloc.

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