The patch titled Subject: mm: remove dummy struct bootmem_data/bootmem_data_t has been removed from the -mm tree. Its filename was mm-remove-dummy-struct-bootmem_data-bootmem_data_t.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Waiman Long <longman@xxxxxxxxxx> Subject: mm: remove dummy struct bootmem_data/bootmem_data_t Both bootmem_data and bootmem_data_t structures are no longer defined. Remove the dummy forward declarations. Link: http://lkml.kernel.org/r/20200326022617.26208-1-longman@xxxxxxxxxx Signed-off-by: Waiman Long <longman@xxxxxxxxxx> Reviewed-by: Baoquan He <bhe@xxxxxxxxxx> Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/alpha/include/asm/mmzone.h | 2 -- include/linux/mmzone.h | 1 - 2 files changed, 3 deletions(-) --- a/arch/alpha/include/asm/mmzone.h~mm-remove-dummy-struct-bootmem_data-bootmem_data_t +++ a/arch/alpha/include/asm/mmzone.h @@ -8,8 +8,6 @@ #include <asm/smp.h> -struct bootmem_data_t; /* stupid forward decl. */ - /* * Following are macros that are specific to this numa platform. */ --- a/include/linux/mmzone.h~mm-remove-dummy-struct-bootmem_data-bootmem_data_t +++ a/include/linux/mmzone.h @@ -664,7 +664,6 @@ struct deferred_split { * Memory statistics and page replacement data structures are maintained on a * per-zone basis. */ -struct bootmem_data; typedef struct pglist_data { struct zone node_zones[MAX_NR_ZONES]; struct zonelist node_zonelists[MAX_ZONELISTS]; _ Patches currently in -mm which might be from longman@xxxxxxxxxx are