I've tried to port ldd3 for the latest kernel source. Here's the link of my repository if anyone needs it - https://github.com/omerjerk/ldd3_scull
On Mon, Oct 19, 2015 at 4:34 PM, Mulyadi Santosa <mulyadi.sant...@gmail.com> wrote: > On Fri, Oct 16, 2015 at 10:53 AM, sahlot arvind <asah...@gmail.com> wrote: > > Hi, > > > > Is there an API kernel exposes to use for a driver in order to reserve > > physical address space? > > I mean I want to reserve 5GB (or more if allowed) of contiguous physical > > address space anywhere in the address range (wherever it is available.. > > doesn't matter) and then I want to map that physical address range in the > > kernel to get a virtual address so that my driver can dereference that > > virtual pointer to access the mapped physical address range. > > > > Thanks in advance! > > Sahlot > > > > 5 GB is alot. If you are sure about it, then I guess boot_memalloc() > might be the only choice > > > -- > regards, > > Mulyadi Santosa > Freelance Linux trainer and consultant > > blog: the-hydra.blogspot.com > training: mulyaditraining.blogspot.com > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@kernelnewbies.org > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
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