Memory Allocation with caching disabled

["Gau, Don" <Don.Gau@hp.com>]

My apologies if this is not the proper forum for asking questions, but I figured this group knew something about Linux memory management.

I work in the diagnostics group at HP and we need to allocate large (4M+, preferably 64M+), physical, contiguous chunks of memory with the cache disabled (only for the allocated memory chunks). Can anyone tell us what functions can accomplish this? I'm assuming that some functions may have to be executed from within a driver that will be called by our application. Sample code is welcome.

Even if you could point me to a good resource, URL, etc., that would be very helpful.

Thanks for your time,
Don Gau
Corporate Diagnostics Software Engineering


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