On Thu, Sep 10, 2015 at 8:01 PM, Christoph Lameter <cl@xxxxxxxxx> wrote: > On Thu, 10 Sep 2015, Paul E. McKenney wrote: > >> The reason we poked at this was to see if any of SLxB touched the >> memory being freed. If none of them touched the memory being freed, >> and if that was a policy, then the idiom above would be legal. However, >> one of them does touch the memory being freed, so, yes, the above code >> needs to be fixed. > > The one that touches the object has a barrier() before it touches the > memory. It does not change anything, right? -- Dmitry Vyukov, Software Engineer, dvyukov@xxxxxxxxxx Google Germany GmbH, Dienerstraße 12, 80331, München Geschäftsführer: Graham Law, Christine Elizabeth Flores Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg Diese E-Mail ist vertraulich. Wenn Sie nicht der richtige Adressat sind, leiten Sie diese bitte nicht weiter, informieren Sie den Absender und löschen Sie die E-Mail und alle Anhänge. Vielen Dank. This e-mail is confidential. If you are not the right addressee please do not forward it, please inform the sender, and please erase this e-mail including any attachments. Thanks. -- 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