On Fri, 31 Mar 2017, Kees Cook wrote: > As found in PaX, this adds a cheap check on heap consistency, just to > notice if things have gotten corrupted in the page lookup. Ok this only affects kmem_cache_free() and not kfree(). For kmem_cache_free() we already have a lot of stuff in the hotpath due to cgruops. If you want this also for kfree() then we need a separate patch. Also for kmem_cache_free(): Here we always have a slab cache and thus we could check the flags that could modify what behavior we want. Acked-by: Christoph Lameter <cl@xxxxxxxxx> -- 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>