From: Christoph Lameter <cl@xxxxxxxxx> Date: Wed, 19 May 2010 10:19:33 -0500 (CDT) > The assumptions are not arbitrary. It is reasonable to assume that > structures managed by the slab allocators may contain long long variables > and that therefore a unsigned long long alignment is required by the > allocator. It is the *compiler* who tells us that long long needs to be > aligned at double word boundaries. If an arch does not require long long > alignment on double word boundaries then the *compiler* should tell us > that and then the allocators will align on word boundaries. That is a good point. So really, __alignof__(unsigned long long) is technically always right. Because it should evaluate to "4" on x86-32, for example. -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
