Re: [PATCH] laptop-mode for 2.6, version 3

[Arnaldo Carvalho de Melo <acme@conectiva.com.br>]

Minor nitpicks below

Em Wed, Dec 24, 2003 at 04:25:48PM +0100, Bart Samwel escreveu:
> diff -baur --speed-large-files linux-2.6.0/mm/page-writeback.c linux-2.6.0-withlaptopmode/mm/page-writeback.c
> --- linux-2.6.0/mm/page-writeback.c	2003-12-24 05:19:46.000000000 +0100
> +++ linux-2.6.0-withlaptopmode/mm/page-writeback.c	2003-12-24 15:49:55.000000000 +0100
> @@ -28,6 +28,7 @@
>  #include <linux/smp.h>
>  #include <linux/sysctl.h>
>  #include <linux/cpu.h>
> +#include <linux/quotaops.h>
>  
>  /*
>   * The maximum number of pages to writeout in a single bdflush/kupdate
> @@ -81,6 +82,16 @@
>   */
>  int dirty_expire_centisecs = 30 * 100;
>  
> +/*
> + * Flag that makes the machine dump writes/reads and block dirtyings.
> + */
> +int block_dump = 0;
> +
> +/*
> + * Flag that puts the machine in "laptop mode".
> + */
> +int laptop_mode = 0;
> +

No need to set a global variable to 0, if you don't set it'll go to the
.bss section and the kernel will zero it out for us, and we reclaim 
2 * sizeof(int) from the kernel image. This is common style in most parts
of the kernel.

- Arnaldo