| Message ID | ec654e72aedba49af13f2ea0c076be22b962c801.1301984955.git.michael@ellerman.id.au (mailing list archive) |
|---|---|
| State | Changes Requested |
| Headers | show |
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c index c0aab52..1bde0e8 100644 --- a/arch/powerpc/mm/mmu_context_nohash.c +++ b/arch/powerpc/mm/mmu_context_nohash.c @@ -338,8 +338,8 @@ static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self, return NOTIFY_OK; switch (action) { - case CPU_ONLINE: - case CPU_ONLINE_FROZEN: + case CPU_UP_PREPARE: + case CPU_UP_PREPARE_FROZEN: pr_devel("MMU: Allocating stale context map for CPU %d\n", cpu); stale_map[cpu] = kzalloc(CTX_MAP_SIZE, GFP_KERNEL); break;
Currently we allocate the stale_map for a cpu when it comes online, this leaves open a small window where a process can be scheduled on the cpu before the stale_map is allocated. Instead allocate the stale_map at CPU_UP_PREPARE time, that way it will be always available before tasks start running. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> --- arch/powerpc/mm/mmu_context_nohash.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)