Messages in this thread | | | Date | Wed, 27 Apr 2011 16:30:24 -0500 | From | Timur Tabi <> | Subject | Re: [PATCH 2/3] make new alloc_pages_exact() |
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Dave Hansen wrote: > > What I really wanted in the end was a highmem-capable > alloc_pages_exact(), so here it is. This function can be used to > allocate unmapped (like highmem) non-power-of-two-sized areas of > memory. This is in constast to get_free_pages_exact() which can only > allocate from lowmem.
Is there an easy way to verify that alloc_pages_exact(5MB) really does allocate only 5MB and not 8MB? Is there some kind of function that returns the amount of unallocated memory, so I can do a diff?
-- Timur Tabi Linux kernel developer at Freescale
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