Re: [PATCH] General purpose zeroed page slab

[Adam Heath]

On Thu, 14 Oct 2004, Andi Kleen wrote:

> Also that's pretty dumb. How about keeping track how much of the
> page got non zeroed (e.g. by using a few free words in struct page
> for a coarse grained dirty bitmap)
>
> Then you could memset on free only the parts that got actually
> changed, and never waste cache lines for anything else.

That will fail when a struct is placed in the page, and only the beginning and
end of the struct was changed.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/