From: Evgeniy Polyakov <johnpol@xxxxxxxxxxx> Date: Wed, 24 Sep 2008 06:53:08 +0400 > Maybe, we need to check, since allocation of multiple smaller pages from > 4 gb area, copy data between them, hardware crypto, backward copy and > page freeing can be slower than software crypto. Although we can > preallocate buffers for several common sizes, although this will not > help dm-crypto which can submit up to 31 pages in single request on top > of ext3 in the common case. I think you will need to preallocate a pool of pages. -- 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
