vsdo_datapage.h WTF?

Anton Blanchard anton at samba.org
Sun Oct 8 00:58:11 EST 2006


> No. There -used- to be this systemcfg structure that was exposed to
> userspace on ppc64. I made it deprecated. However, for the sake of
> backward compatbility, I kept vdso datapage with the exact same layout
> for the first part of it (before the syscall maps) and haven't removed
> the mmap call for it, but it will be gone soon.

We need a way to export cache size/associativity information (sysfs,
/proc/device-tree parsing?) and a plan to fix the applications using it


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