>>>>> "Rik" == Rik van Riel <riel@xxxxxxxxxxx> writes: Rik> A long time ago, we decided to limit the number of VMAs per Rik> process to 64k. As it turns out, there actually are programs Rik> using tens of thousands of VMAs. Rik> Performance Rik> Testing performance with a benchmark that allocates tens Rik> of thousands of VMAs, unmaps them and mmaps them some more Rik> in a loop, shows promising results. How are the numbers for applications which only map a few VMAs? Is there any impact there? John -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>