1cdefd084d
When allocating unmapped pages, take advantage of the direct map on AMD64 to get the virtual address corresponding to a page. Else all pages allocated must be mapped because sometimes the virtual address of a page is requested. Move all page allocation and deallocation code into an own C-file. Add support for GFP_DMA32, GFP_KERNEL, GFP_ATOMIC and __GFP_ZERO allocation flags. Make a clear separation between mapped and unmapped allocations. Obtained from: kmacy @ MFC after: 1 week Sponsored by: Mellanox Technologies |
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