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Subject[PATCH 1/2] init: set nr_cpu_ids before setup_per_cpu_areas()
nr_cpu_ids is dependent only on cpu_possible_map and
setup_per_cpu_areas() already depends on cpu_possible_map and will use
nr_cpu_ids. Initialize nr_cpu_ids before setting up percpu areas.

Signed-off-by: Tejun Heo <tj@kernel.org>
---
These two patches fix sparc64 percpu on machines with holes in
cpu_possible_map. David, can you please review and ack?

Thanks.

init/main.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/init/main.c b/init/main.c
index 2c5ade7..2d9d6bd 100644
--- a/init/main.c
+++ b/init/main.c
@@ -584,8 +584,8 @@ asmlinkage void __init start_kernel(void)
setup_arch(&command_line);
mm_init_owner(&init_mm, &init_task);
setup_command_line(command_line);
- setup_per_cpu_areas();
setup_nr_cpu_ids();
+ setup_per_cpu_areas();
smp_prepare_boot_cpu(); /* arch-specific boot-cpu hooks */

build_all_zonelists();
--
1.6.0.2


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