ftp://82.96.64.7/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc6/  direct

[DIR]2.6.20-rc6-mm3/  direct  324+ twin directories
[DIR]2.6.20-rc6-mm2/  direct  324+ twin directories
[DIR]2.6.20-rc6-mm1/  direct  324+ twin directories