On Wed, Aug 09, 2006 at 11:42:35PM -0700, David Miller ([EMAIL PROTECTED]) wrote: > > > > + k->kevent_entry.next = LIST_POISON1; > > > > + k->storage_entry.prev = LIST_POISON2; > > > > + k->ready_entry.next = LIST_POISON1; > > > > > > Nope ;) > > > > I use pointer checks to determine if entry is in the list or not, why it > > is frowned upon here? > > As Andrew mentioned in another posting, these poison macros > are likely to simply go away some day, so you should not use > them.
They exist for ages and sudently can go away?.. > If you want pointer encoded tags you use internally, define your own. I think if I will add code like this list_del(&k->entry); k->entry.prev = KEVENT_POISON1; k->entry.next = KEVENT_POISON2; I will be suggested to make myself a lobotomy. I have enough space in flags in each kevent, so I will use some bits there. -- Evgeniy Polyakov - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html