The patch titled Subject: ia64: remove 'ifdef CONFIG_ZONE_DMA32' statements has been added to the -mm tree. Its filename is ia64-remove-ifdef-config_zone_dma32-statements.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/ia64-remove-ifdef-config_zone_dma32-statements.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/ia64-remove-ifdef-config_zone_dma32-statements.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ 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); _ Patches currently in -mm which might be from rppt@xxxxxxxxxxxxx are mm-introduce-debug_pagealloc_map_pages-helper.patch pm-hibernate-make-direct-map-manipulations-more-explicit.patch arch-mm-restore-dependency-of-__kernel_map_pages-of-debug_pagealloc.patch arch-mm-make-kernel_page_present-always-available.patch alpha-switch-from-discontigmem-to-sparsemem.patch ia64-remove-custom-__early_pfn_to_nid.patch ia64-remove-ifdef-config_zone_dma32-statements.patch ia64-discontig-paging_init-remove-local-max_pfn-calculation.patch ia64-split-virtual-map-initialization-out-of-paging_init.patch ia64-forbid-using-virtual_mem_map-with-flatmem.patch ia64-make-sparsemem-default-and-disable-discontigmem.patch arm-remove-config_arch_has_holes_memorymodel.patch arm-arm64-move-free_unused_memmap-to-generic-mm.patch arc-use-flatmem-with-freeing-of-unused-memory-map-instead-of-discontigmem.patch m68k-mm-make-node-data-and-node-setup-depend-on-config_discontigmem.patch m68k-mm-enable-use-of-generic-memory_modelh-for-discontigmem.patch m68k-deprecate-discontigmem.patch