On Nov 3, 2011, at 1:50 PM, Timur Tabi wrote: > Kconfig option PHYS_64BIT sets the size of phys_addr_t to 64 bits, which > allows support for a 36-bit physical address space. With this option, the > kernel can support more than 2GB of RAM, but the larger address size > impacts performance slightly. > > By including "select PHYS_64BIT" in the Kconfig for a particular board, > that option is forced enabled, and it becomes impossible to create a 32-bit > kernel. Instead, we should depend on the defconfig to enable this option. > We still build a 36-bit kernel by default, and we also allow users to build > 32-bit kernels if they really want. > > Signed-off-by: Timur Tabi <ti...@freescale.com> > --- > arch/powerpc/configs/corenet32_smp_defconfig | 1 + > arch/powerpc/platforms/85xx/Kconfig | 5 ----- > 2 files changed, 1 insertions(+), 5 deletions(-)
Nak. For certain boards like P204x-P50xx we only support a 36-bit address map. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
