Christoph Lameter <clameter@sgi.com> 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-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Thu Mar 3 01:33:33 2005
This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:36 EST