Re: [PATCH][RFC] mm: swsusp shrink_all_memory tweaks

[Nick Piggin <nickpiggin@yahoo.com.au>]

Con Kolivas wrote:

> @@ -1567,7 +1546,7 @@ loop_again:
>  		zone->temp_priority = DEF_PRIORITY;
>  	}
>  
> -	for (priority = DEF_PRIORITY; priority >= 0; priority--) {
> +	for_each_priority_reverse(priority) {

What's this for? The for loop is simple and easy to read, after
the change, you have to look somewhere else to see what it does.

> Index: linux-2.6.16-rc6-mm1/include/linux/swap.h
> ===================================================================
> --- linux-2.6.16-rc6-mm1.orig/include/linux/swap.h	2006-03-18 13:29:38.000000000 +1100
> +++ linux-2.6.16-rc6-mm1/include/linux/swap.h	2006-03-18 14:50:11.000000000 +1100
> @@ -66,6 +66,51 @@ typedef struct {
>  	unsigned long val;
>  } swp_entry_t;
>  
> +struct scan_control {

Why did you put this here? scan_control really can't go outside vmscan.c,
it is meant only to ease the passing of lots of parameters, and not as a
consistent interface.

--
SUSE Labs, Novell Inc.
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