>>>>> On Tue, 29 Jul 2003 17:00:26 -0700, Christopher Wedgwood <cw@sgi.com> said: Christopher> On Tue, Jul 29, 2003 at 03:54:27PM -0700, David Mosberger wrote: >> Let's stick with a tried-and-true malloc/free-like interface (nobody >> every gets size arguments to free() right, do they?). Christopher> I'd like to claim this is too complex I don't buy this. Just store a header along with the actual data (yes, accesses to the header will be slow, but nobody cares). Christopher> Jack also pointed out for MINSTATE handling on SN2 we Christopher> would want local-node pages so perhaps something like: Christopher> u64 ia64_uc_alloc(u64 nbytes, int nodeid, int flags); Christopher> void ia64_uc_free(u64 paddr); Christopher> Simply claim '0' is not a useful physical address in Christopher> this sense and thus signifies and error? Christopher> The 'flags' seems overly complex but would be a Christopher> mechanism to insist that memory is allocated from the Christopher> given node (as opposed to just a hint for locality). Christopher> Comments? The "uc" should be changed to "ucmem" or something like that, to avoid confusion with allocating uncached address space (what we're allocating here is normal memory which is mapped uncached). --david - 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 Tue Jul 29 20:12:55 2003
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