On Tue, Jul 24, 2018 at 08:47:04AM +0300, Mike Rapoport wrote: > On Mon, Jul 23, 2018 at 04:23:39PM -0500, Richard Kuo wrote: > > > > On Mon, Jul 16, 2018 at 10:43:18AM +0300, Mike Rapoport wrote: > > > This patch adds registration of the system memory with memblock, eliminates > > > bootmem initialization and converts early memory reservations from bootmem > > > to memblock. > > > > > > Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx> > > > > Sorry for the delay, and thanks for this patch. > > > > I think the first memblock_reserve should use ARCH_PFN_OFFSET instead of > > PHYS_OFFSET. > > memblock_reserve gets physical address rather than a pfn. > > If I read arch/hexagon/include/asm/mem-layout.h correctly, the PHYS_OFFSET > *is* the physical address of the RAM and ARCH_PFN_OFFSET is the first pfn: > > #define PHYS_PFN_OFFSET (PHYS_OFFSET >> PAGE_SHIFT) > #define ARCH_PFN_OFFSET PHYS_PFN_OFFSET > > Did I miss something? Sorry, I should have been more clear. In the size calculation, it's subtracting the unshifted PHYS_OFFSET from the start page number, which I'm pretty sure is wrong. Thanks, Richard Kuo -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
