On Fri, 23 Feb 2007 16:37:43 +0100 Nick Piggin <[EMAIL PROTECTED]> wrote:
> +static void dcache_hash_resize(unsigned int new_shift); > +static void mod_nr_dentry(int mod) > +{ > + unsigned long dentry_size; > + > + dentry_stat.nr_dentry += mod; > + > + dentry_size = 1 << dentry_hash->shift; > + if (unlikely(dentry_stat.nr_dentry > dentry_size+(dentry_size>>1))) > + dcache_hash_resize(dentry_hash->shift+1); > + else if (unlikely(dentry_stat.nr_dentry < (dentry_size>>1))) > + dcache_hash_resize(dentry_hash->shift-1); > +} > + Do we need to do this kind of resizing in implicit automatic way ? I think it's good to show contention rate by /proc and add sysctl for resize this. -Kame - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/