On Fri, 19 Dec 2008 08:29:09 +0100 Nick Piggin <npiggin@xxxxxxx> wrote: > Introduce a new page flag, PG_waiters Leaving how many? fs-cache wants to take two more. How's about we actually work this out, then make PG_waiters the highest-numbered free one? PG_free1, PG_free2, ... PG_waiters }; (or even something really sensitive, like PG_lru) So that a) we can see how many are left in a robust fashion and b) we find out whether PG_waiters (PG_lru?) gets scribbled on by architectures which borrow upper bits from page.flags for other nefarious purposes. ? -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
