Re: Sharing memory between user and kernel spaces [Re: copy_to/from_user and a bottom half]

From: Ulrich Drepper (drepper@redhat.com)
Date: Fri May 19 2000 - 05:53:52 EST


"Andi Kleen" <ak@suse.de> writes:

> > 1. App allocates memory in user space (page-aligned).
> > (BTW, I didn't find the way of doing it on Linux beside to allocate
> > memory with malloc() and then align it to the page boundaries).
>
> mmap()

memalign() (or posix_memalign() in glibc 2.2).

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