On Mon, 28 Apr 2008, Russ Anderson wrote:

quoted text
> +#if (BITS_PER_LONG > 32)
> +#define PageMemError(page)	test_bit(PG_memerror, &(page)->flags)
> +#define SetPageMemError(page)	set_bit(PG_memerror, &(page)->flags)
> +#define ClearPageMemError(page)	clear_bit(PG_memerror, &(page)->flags)
> +#define PAGE_FLAGS	(1 << PG_lru   | 1 << PG_private   | 1 << PG_locked | \
> +			 1 << PG_buddy | 1 << PG_writeback | \
> +			 1 << PG_slab  | 1 << PG_swapcache | 1 << PG_active | \
> +			 1UL << PG_memerror)
> +#else
> +#define PageMemError(page)	0
> +#define PAGE_FLAGS	(1 << PG_lru   | 1 << PG_private   | 1 << PG_locked | \
> +			 1 << PG_buddy | 1 << PG_writeback | \
> +			 1 << PG_slab  | 1 << PG_swapcache | 1 << PG_active)
> +#endif
> +#define PAGE_FLAGS_RECLAIM	(PAGE_FLAGS | 1 << PG_reclaim | 1 << PG_dirty)
> +#define PAGE_FLAGS_RESERVE	(PAGE_FLAGS | 1 << PG_reserved)
> +#define PAGE_FLAGS_DIRTY	(PAGE_FLAGS | 1 << PG_reserved | 1 << PG_dirty)
> +

All the PAGE_FLAGS_xx things could be in a separate cleanup patch. Also 
note that the way page flags are defined may change soon.

--
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/