Re: [RFC][PATCH] split file and anonymous page queues #3

From: Matt Mackall
Date: Tue Mar 20 2007 - 21:20:14 EST


On Tue, Mar 20, 2007 at 06:08:10PM -0400, Rik van Riel wrote:
> - "Active: %8lu kB\n"
> - "Inactive: %8lu kB\n"
...
> + "Active(anon): %8lu kB\n"
> + "Inactive(anon): %8lu kB\n"
> + "Active(file): %8lu kB\n"
> + "Inactive(file): %8lu kB\n"

Potentially incompatible change. How about preserving the original
fields (by totalling), then adding the other fields in a second patch.

> if (!pagevec_add(&lru_pvec, page))
> - __pagevec_lru_add(&lru_pvec);
> + __pagevec_lru_add_file(&lru_pvec);

Wouldn't lru_file_add or file_lru_add be a better name? If the object
is a "file lru" then sticking "add" in the middle is a little ugly.

> spin_lock_irq(&zone->lru_lock);
> if (PageLRU(page) && !PageActive(page)) {
> - del_page_from_inactive_list(zone, page);
> + if (page_anon(page)) {
> + del_page_from_inactive_anon_list(zone,page);
> SetPageActive(page);
> - add_page_to_active_list(zone, page);
> + add_page_to_active_anon_list(zone, page);
> + } else {
> + del_page_from_inactive_file_list(zone, page);
> + SetPageActive(page);
> + add_page_to_active_file_list(zone, page);
> + }
> __count_vm_event(PGACTIVATE);
> }

Missing a level of indentation.

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