On Mon, 5 Mar 2018, Alexey Dobriyan wrote: > struct kmem_cache::size and ::align were always 32-bit. > > Out of curiosity I created 4GB kmem_cache, it oopsed with division by 0. > kmem_cache_create(1UL<<32+1) created 1-byte cache as expected. Could you add a check to avoid that in the future? > size_t doesn't work and never did. Its not so simple. Please verify that the edge cases of all object size / alignment etc calculations are doable with 32 bit entities first. And size_t makes sense as a parameter. -- 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>
