Re: ext2_find_near

[Rene Herman <rene.herman@xxxxxxxxxxxx>]

On 31-07-08 23:11, Thomas Petazzoni wrote:

> Le Thu, 31 Jul 2008 11:07:40 +0200,
> Rene Herman <rene.herman@xxxxxxxxxxxx> a écrit :
>
> > I don't even really have a good idea of WHAT is being allocated here 
> > though and will not be finding out due to a fairly high non-interest
> > in the specifics of filesystems. The usual context in wich to find
> > the term "colouring" is in "cache colouring", where you lay out data
> > so that the chances of two bits of said data competing for the same
> > cacheline are diminished and knowing that I felt that a reply, even
> > though it did no more than repeat the source code comment really,
> > could perhaps still be useful.
>
> Wikipedia has a page about this,
> <http://en.wikipedia.org/wiki/Cache_coloring>. Fairly limited, though.

Also a different usage of the term than I do above. My usage is in line 
with the Linux SLAB allocator's use of of the term cache colouring.

(note, SLAB. just, lightly, checked and SLUB/SLOB do not seem to support 
a colouring feature. how depressing.)

Rene.


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