Re: 2.4.8preX VM problems

[Andrew Tridgell <tridge@valinux.com>]

Marcelo,

I'm afraid that didn't help. I get:

[root@skurk /root]# ./readfiles /dev/ddisk 
362 MB    181.145 MB/sec
695 MB    166.455 MB/sec
811 MB    57.6077 MB/sec
812 MB    0.439532 MB/sec
813 MB    0.463901 MB/sec
814 MB    0.416093 MB/sec
815 MB    0.409958 MB/sec
816 MB    0.410413 MB/sec




> Could you please try the patch below ? (against 2.4.8pre3)
> 
> --- linux.orig/mm/vmscan.c	Wed Aug  1 04:26:36 2001
> +++ linux/mm/vmscan.c	Wed Aug  1 04:33:22 2001
> @@ -593,13 +593,9 @@
>  			 * If we're freeing buffer cache pages, stop when
>  			 * we've got enough free memory.
>  			 */
> -			if (freed_page) {
> -				if (zone) {
> -					if (!zone_free_shortage(zone))
> -						break;
> -				} else if (!free_shortage()) 
> -					break;
> -			}
> +			if (freed_page && !total_free_shortage())
> +				break;
> +
>  			continue;
>  		} else if (page->mapping && !PageDirty(page)) {
>  			/*
> 
>