Christoph Lameter <[EMAIL PROTECTED]> wrote: > > On Wed, 2 Mar 2005, Andrew Morton wrote: > > > > Any mmap changes requires the mmapsem. > > > > sys_remap_file_pages() will call install_page() under down_read(mmap_sem). > > It relies upon page_table_lock for pte atomicity. > > This is not relevant since it only deals with file pages.
OK. And CONFIG_DEBUG_PAGEALLOC? > ptes are only > installed atomically for anonymous memory (if CONFIG_ATOMIC_OPS > is defined). It's a shame. A *nice* solution to this problem would address all pte ops and wouldn't have such special cases... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/