From: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Subject: ia64: make num_rsvd_regions static Commit f62800992e5917f2 ("ia64: switch to NO_BOOTMEM") removed the last user of num_rsvd_regions outside arch/ia64/kernel/setup.c. Link: https://lkml.kernel.org/r/a377b5437e3e9da93d02f996fe06a2b956cb0990.1629884459.git.geert+renesas@xxxxxxxxx Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Cc: Frank Rowand <frowand.list@xxxxxxxxx> Cc: Jay Lan <jlan@xxxxxxx> Cc: Magnus Damm <magnus.damm@xxxxxxxxx> Cc: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx> Cc: Rob Herring <robh+dt@xxxxxxxxxx> Cc: Simon Horman <horms@xxxxxxxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/ia64/include/asm/meminit.h | 1 - arch/ia64/kernel/setup.c | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) --- a/arch/ia64/include/asm/meminit.h~ia64-make-num_rsvd_regions-static +++ a/arch/ia64/include/asm/meminit.h @@ -29,7 +29,6 @@ struct rsvd_region { }; extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1]; -extern int num_rsvd_regions; extern void find_memory (void); extern void reserve_memory (void); --- a/arch/ia64/kernel/setup.c~ia64-make-num_rsvd_regions-static +++ a/arch/ia64/kernel/setup.c @@ -131,7 +131,7 @@ unsigned long ia64_cache_stride_shift = * We use a special marker for the end of memory and it uses the extra (+1) slot */ struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1] __initdata; -int num_rsvd_regions __initdata; +static int num_rsvd_regions __initdata; /* _