Re: [patch] minimum buffer hash size set to 128k (even on 4mbyte machines)

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 29 Oct 1999 18:05:20 +0100 (BST)

> have only 4mbyte of memory. So 2.2.13 (and 2.2.14pre2) using a order of 5
> is wasting lots of precious memory in low mem boxes.

[2.2.13ac not 2.2.13]

> --- 2.2.14pre2/fs/buffer.c Fri Oct 29 16:40:41 1999
> +++ /tmp/buffer.c Fri Oct 29 18:20:12 1999
> @@ -1512,7 +1512,7 @@
> fsync times (ext2) manageable, is the following */
>
> memory_size >>= 20;
> - for (order = 5; (1UL << order) < memory_size; order++);
> + for (order = 0; (1UL << order) < memory_size; order++);
>
> /* try to allocate something until we get it or we're asking
> for something that is really too small */

Ok

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