forked from Minki/linux
mm: fix misuse of debug_kmap_atomic
Commit 7ca43e7564
("mm: use debug_kmap_atomic")
introduced some debug_kmap_atomic() in wrong places.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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3688e07f83
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a0e0404fb0
@ -40,7 +40,6 @@ void *kmap_atomic_prot(struct page *page, enum km_type type, pgprot_t prot)
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debug_kmap_atomic(type);
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debug_kmap_atomic(type);
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debug_kmap_atomic(type);
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idx = type + KM_TYPE_NR*smp_processor_id();
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idx = type + KM_TYPE_NR*smp_processor_id();
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vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
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vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
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BUG_ON(!pte_none(*(kmap_pte-idx)));
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BUG_ON(!pte_none(*(kmap_pte-idx)));
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@ -39,6 +39,7 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot)
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pagefault_disable();
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pagefault_disable();
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debug_kmap_atomic(type);
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idx = type + KM_TYPE_NR * smp_processor_id();
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idx = type + KM_TYPE_NR * smp_processor_id();
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vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
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vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
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set_pte(kmap_pte - idx, pfn_pte(pfn, prot));
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set_pte(kmap_pte - idx, pfn_pte(pfn, prot));
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@ -72,7 +73,6 @@ iounmap_atomic(void *kvaddr, enum km_type type)
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unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
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unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
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enum fixed_addresses idx = type + KM_TYPE_NR*smp_processor_id();
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enum fixed_addresses idx = type + KM_TYPE_NR*smp_processor_id();
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debug_kmap_atomic(type);
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/*
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/*
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* Force other mappings to Oops if they'll try to access this pte
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* Force other mappings to Oops if they'll try to access this pte
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* without first remap it. Keeping stale mappings around is a bad idea
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* without first remap it. Keeping stale mappings around is a bad idea
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