/* In this case we return -1 to tell the caller that we baled.  */
static int shrink_dcache_memory(int nr, gfp_t gfp_mask)
/* In this case we return -1 to tell the caller that we baled.  */
static int shrink_dcache_memory(int nr, gfp_t gfp_mask)
{
	if (nr) {
		if (!(gfp_mask & __GFP_FS))
			return -1;
		prune_dcache(nr);
	}
	return (dentry_stat.nr_unused / 100) * sysctl_vfs_cache_pressure;
}