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f6f9885b05
This is a preparation patch for fixing issues on x86_64 virtual-machines with more then 4G of RAM, atm we pass __GFP_DMA32 to kmalloc, but kmalloc does not honor that, so we need to switch to get_pages, which means we will not be able to use kfree to free memory allocated with vbg_alloc_req. While at it also remove a comment on a vbg_alloc_req call which talks about Windows (inherited from the vbox upstream cross-platform code). Cc: stable@vger.kernel.org Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>