On Sat, 10 Feb 2018 13:54:27 +0100 (CET) Christophe Leroy <christophe.le...@c-s.fr> wrote:
> In preparation for the following patch which will fix an issue on > the 8xx by re-using the 'slices', this patch enhances the > 'slices' implementation to support 32 bits CPUs. > > On PPC32, the address space is limited to 4Gbytes, hence only the low > slices will be used. > > This patch moves "slices" functions prototypes from page64.h to slice.h > > The high slices use bitmaps. As bitmap functions are not prepared to > handling bitmaps of size 0, the bitmap_xxx() calls are wrapped into > slice_bitmap_xxx() functions which will void on PPC32 On this last point, I think it would be better to put these with the existing slice bitmap functions in slice.c and just have a few #ifdefs for SLICE_NUM_HIGH == 0. Thanks, Nick
