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| author | Rusty Russell <rusty@rustcorp.com.au> | 2009-03-13 14:49:57 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2009-03-13 14:49:57 +1030 |
| commit | 76ba0ecda0de9accea9a91cb6dbde46782110e1c (patch) | |
| tree | 4d29837d7f3fb2c4f62d7886bbcc8ad9845bfebd /arch/x86 | |
| parent | 5c6cb5e2b1798694c859fd3821a34404355e1030 (diff) | |
| download | op-kernel-dev-76ba0ecda0de9accea9a91cb6dbde46782110e1c.zip op-kernel-dev-76ba0ecda0de9accea9a91cb6dbde46782110e1c.tar.gz | |
cpumask: use cpumask_var_t in uv_flush_tlb_others.
Impact: remove cpumask_t, reduce per-cpu size for CONFIG_CPUMASK_OFFSTACK=y
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/tlb_uv.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c index d038b9c..8afb691 100644 --- a/arch/x86/kernel/tlb_uv.c +++ b/arch/x86/kernel/tlb_uv.c @@ -275,6 +275,8 @@ const struct cpumask *uv_flush_send_and_wait(int cpu, int this_blade, return NULL; } +static DEFINE_PER_CPU(cpumask_var_t, uv_flush_tlb_mask); + /** * uv_flush_tlb_others - globally purge translation cache of a virtual * address or all TLB's @@ -304,8 +306,7 @@ const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm, unsigned long va, unsigned int cpu) { - static DEFINE_PER_CPU(cpumask_t, flush_tlb_mask); - struct cpumask *flush_mask = &__get_cpu_var(flush_tlb_mask); + struct cpumask *flush_mask = __get_cpu_var(uv_flush_tlb_mask); int i; int bit; int blade; @@ -755,6 +756,10 @@ static int __init uv_bau_init(void) if (!is_uv_system()) return 0; + for_each_possible_cpu(cur_cpu) + alloc_cpumask_var_node(&per_cpu(uv_flush_tlb_mask, cur_cpu), + GFP_KERNEL, cpu_to_node(cur_cpu)); + uv_bau_retry_limit = 1; uv_nshift = uv_hub_info->n_val; uv_mmask = (1UL << uv_hub_info->n_val) - 1; |
