Re: dcache_rcu [performance results]

From: Andi Kleen (ak@suse.de)
Date: Sat Nov 02 2002 - 06:01:55 EST


> Well, on second thoughts I can't see why the path length for pwd
> would make difference for kernel compilation - it uses relative
> path and for path lookup, if the first character is not '/', then
> lookup is done relative to current->fs->pwd. I will do some more
> benchmarking on and verify.

Kernel compilation actually uses absolute pathnames e.g. for dependency
checking. TOPDIR is also specified absolutely, so an include access likely
uses an absolute pathname too.

-Andi
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