On Thu, Aug 2, 2012 at 10:16 PM, Michal Hocko <mhocko@xxxxxxx> wrote: > This patch addresses the issue by moving pmd_alloc into huge_pmd_share > which guarantees that the shared pud is populated in the same > critical section as pmd. Is i_mmap_mutex for guarding new pmd allocation? Is regression introduced if sharing is unavailable? -- 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>