On Wed, 28 Apr 2010 16:12:44 -0700 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > On Wed, 28 Apr 2010 18:04:06 -0500 > Matt Mackall <mpm@xxxxxxxxxxx> wrote: > > > > I suspect random32() would suffice here. It avoids depleting the > > > entropy pool altogether. > > > > I wouldn't worry about that. get_random_int() touches the urandom pool, > > which will always leave entropy around. Also, Ted and I decided over a > > year ago that we should drop the whole entropy accounting framework, > > which I'll get around to some rainy weekend. > > hm, so why does random32() exist? Speed? Because I need a cheap fast pseudo-random source for emulation and it got used for more and more non-cryptographic uses. And like most random generators people keep forgetting that it was not intended for security use. -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>