From: Mike Rapoport <rppt@xxxxxxxxxxxxx> Subject: ia64: remove 'ifdef CONFIG_ZONE_DMA32' statements After the removal of SN2 platform (commit cf07cb1ff4ea ("ia64: remove support for the SGI SN2 platform") IA-64 always has ZONE_DMA32 and there is no point to guard code with this configuration option. Remove ifdefery associated with CONFIG_ZONE_DMA32 Link: https://lkml.kernel.org/r/20201101170454.9567-4-rppt@xxxxxxxxxx Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Cc: Greg Ungerer <gerg@xxxxxxxxxxxxxx> Cc: John Paul Adrian Glaubitz <glaubitz@xxxxxxxxxxxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: Matt Turner <mattst88@xxxxxxxxx> Cc: Meelis Roos <mroos@xxxxxxxx> Cc: Michael Schmitz <schmitzmic@xxxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/ia64/mm/contig.c | 2 -- arch/ia64/mm/discontig.c | 2 -- 2 files changed, 4 deletions(-) --- a/arch/ia64/mm/contig.c~ia64-remove-ifdef-config_zone_dma32-statements +++ a/arch/ia64/mm/contig.c @@ -177,10 +177,8 @@ paging_init (void) unsigned long max_zone_pfns[MAX_NR_ZONES]; memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); -#ifdef CONFIG_ZONE_DMA32 max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT; max_zone_pfns[ZONE_DMA32] = max_dma; -#endif max_zone_pfns[ZONE_NORMAL] = max_low_pfn; #ifdef CONFIG_VIRTUAL_MEM_MAP --- a/arch/ia64/mm/discontig.c~ia64-remove-ifdef-config_zone_dma32-statements +++ a/arch/ia64/mm/discontig.c @@ -621,9 +621,7 @@ void __init paging_init(void) } memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); -#ifdef CONFIG_ZONE_DMA32 max_zone_pfns[ZONE_DMA32] = max_dma; -#endif max_zone_pfns[ZONE_NORMAL] = max_pfn; free_area_init(max_zone_pfns); _