On Wed, 17 Mar 2010 11:41:10 -0500 (CDT) Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx> wrote: > On Wed, 17 Mar 2010, KAMEZAWA Hiroyuki wrote: > > > Ah, my point is "how use-after-free is detected ?" > > The slab layers do not check for use after free conditions if > SLAB_DESTROY_BY_RCU is set. It is legal to access the object after a > kfree() etc as long as the RCU period has not passed. > > > Then, my question is > > "Does use-after-free check for SLAB_DESTROY_BY_RCU work correctly ?" > > Use after free checks are not performed for SLAB_DESTROY_BY_RCU slabs. > Thank you for kindly clarification. I have no more concerns. Thanks, -Kame -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>