On Mon, 16 Aug 2004, Ray Bryant wrote: > Something else to worry about here is mm->rss. Previously, this was updated > only with the page_table_lock held, so concurrent increments were not a > problem. rss may need to converted be an atomic_t if you use pte_locks. > It may be that an approximate value for rss is good enough, but I'm not sure > how to bound the error that could be introduced by a couple of hundred > processers handling page faults in parallel and updating rss without locking > it or making it an atomic_t. Correct. There are a number of issues that may have to be addressed but first we need to agree on a general idea how to proceed. - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Mon Aug 16 12:16:12 2004
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