On Mon, Jan 09, 2012 at 09:09:30AM +0000, Ananya Muddukrishna wrote: > Hi, > > Given a range of virtual addresses (begin and end) which are allocated using > MPOL_INTERLEAVE, is there a quick way to know how this range is mapped to > different NUMA nodes? In particular, I would like to have a weighted node-id > list, where each node id in the list indicates how many address (or pages) are > mapped to it, similar to what is seen in /proc/<proc_id>/numa_maps. You could just parse that? > > I am thinking of doing this by using get_mempolicy(MPOL_F_NODE|MPOL_F_ADDR) for > every address in the range. This can be optimized for full correctness if I know > the starting address of all pages contained in the range. Can you give me some > tips on how to obtain that? You could use mincore(), but it won't handle the case of the memory being swapped out. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-numa" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
