diff options
author | Alex Elder <aelder@sgi.com> | 2010-08-02 10:24:57 -0500 |
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committer | Alex Elder <aelder@sgi.com> | 2010-08-02 10:24:57 -0500 |
commit | 6b0a2996a0c023d84bc27ec7528a6e54cb5ea264 (patch) | |
tree | 9fa9a85d5d871b3cb3c28daf57d8ef8f05becd66 /arch/arm/mm/highmem.c | |
parent | 209fb87a259ead17e966627b7f053d16a96898da (diff) | |
parent | 9fe6206f400646a2322096b56c59891d530e8d51 (diff) |
Merge branch 'v2.6.35'
Diffstat (limited to 'arch/arm/mm/highmem.c')
-rw-r--r-- | arch/arm/mm/highmem.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c index 086816b205b..6ab244062b4 100644 --- a/arch/arm/mm/highmem.c +++ b/arch/arm/mm/highmem.c @@ -163,19 +163,22 @@ static DEFINE_PER_CPU(int, kmap_high_l1_vipt_depth); void *kmap_high_l1_vipt(struct page *page, pte_t *saved_pte) { - unsigned int idx, cpu = smp_processor_id(); - int *depth = &per_cpu(kmap_high_l1_vipt_depth, cpu); + unsigned int idx, cpu; + int *depth; unsigned long vaddr, flags; pte_t pte, *ptep; + if (!in_interrupt()) + preempt_disable(); + + cpu = smp_processor_id(); + depth = &per_cpu(kmap_high_l1_vipt_depth, cpu); + idx = KM_L1_CACHE + KM_TYPE_NR * cpu; vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); ptep = TOP_PTE(vaddr); pte = mk_pte(page, kmap_prot); - if (!in_interrupt()) - preempt_disable(); - raw_local_irq_save(flags); (*depth)++; if (pte_val(*ptep) == pte_val(pte)) { |