Hi, On Wed, Jan 07, 2026 at 09:57:34AM +0530, Ritesh Harjani wrote: > Mike Rapoport <[email protected]> writes: > > > From: "Mike Rapoport (Microsoft)" <[email protected]> > > > > Move calculations of zone limits to a dedicated arch_zone_limits_init() > > function. > > > > Later MM core will use this function as an architecture specific callback > > during nodes and zones initialization and thus there won't be a need to > > call free_area_init() from every architecture. > > > > Signed-off-by: Mike Rapoport (Microsoft) <[email protected]> > > --- > > arch/powerpc/mm/mem.c | 22 ++++++++++++---------- > > 1 file changed, 12 insertions(+), 10 deletions(-) > > > > diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c > > index 3ddbfdbfa941..32c496bfab4f 100644 > > --- a/arch/powerpc/mm/mem.c > > +++ b/arch/powerpc/mm/mem.c > > @@ -221,13 +221,23 @@ static int __init mark_nonram_nosave(void) > > * anyway) will take a first dip into ZONE_NORMAL and get otherwise served > > by > > * ZONE_DMA. > > */ > > -static unsigned long max_zone_pfns[MAX_NR_ZONES]; > > +void __init arch_zone_limits_init(unsigned long *max_zone_pfns) > > +{ > > +#ifdef CONFIG_ZONE_DMA > > + max_zone_pfns[ZONE_DMA] = min(zone_dma_limit, max_low_pfn - 1) + 1; > > Hi Mike, > > This doesn't look correct. Isn't the zone_dma_limit value in bytes actually? > Shouldn't it be - > > max_zone_pfns[ZONE_DMA] = min((zone_dma_limit >> PAGE_SHIFT) + 1, > max_low_pfn);
You are right, I'll update it for v3. > -ritesh -- Sincerely yours, Mike. _______________________________________________ linux-snps-arc mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-snps-arc
