mm: use debug_kmap_atomic
Use debug_kmap_atomic in kmap_atomic, kmap_atomic_pfn, and iomap_atomic_prot_pfn. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Коммит
7ca43e7564
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@ -42,6 +42,7 @@ void *__kmap_atomic(struct page *page, enum km_type type)
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if (!PageHighMem(page))
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if (!PageHighMem(page))
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return page_address(page);
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return page_address(page);
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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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#ifdef CONFIG_DEBUG_HIGHMEM
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#ifdef CONFIG_DEBUG_HIGHMEM
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@ -88,6 +89,7 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type)
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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, kmap_prot));
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set_pte(kmap_pte-idx, pfn_pte(pfn, kmap_prot));
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@ -24,6 +24,7 @@
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#include <linux/init.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/interrupt.h>
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#include <linux/highmem.h>
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#include <asm/kmap_types.h>
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#include <asm/kmap_types.h>
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#include <asm/tlbflush.h>
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#include <asm/tlbflush.h>
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#include <asm/page.h>
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#include <asm/page.h>
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@ -94,6 +95,7 @@ static inline void *kmap_atomic_prot(struct page *page, enum km_type type, pgpro
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if (!PageHighMem(page))
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if (!PageHighMem(page))
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return page_address(page);
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return page_address(page);
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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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#ifdef CONFIG_DEBUG_HIGHMEM
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#ifdef CONFIG_DEBUG_HIGHMEM
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@ -39,6 +39,7 @@ void *kmap_atomic(struct page *page, enum km_type type)
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if (!PageHighMem(page))
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if (!PageHighMem(page))
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return page_address(page);
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return page_address(page);
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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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@ -40,6 +40,7 @@ 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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@ -19,6 +19,7 @@
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#include <asm/iomap.h>
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#include <asm/iomap.h>
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#include <asm/pat.h>
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#include <asm/pat.h>
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#include <linux/module.h>
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#include <linux/module.h>
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#include <linux/highmem.h>
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int is_io_mapping_possible(resource_size_t base, unsigned long size)
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int is_io_mapping_possible(resource_size_t base, unsigned long size)
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{
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{
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@ -71,6 +72,7 @@ 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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@ -18,6 +18,7 @@
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#ifdef __KERNEL__
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#ifdef __KERNEL__
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#include <linux/init.h>
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#include <linux/init.h>
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#include <linux/highmem.h>
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#include <asm/mem-layout.h>
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#include <asm/mem-layout.h>
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#include <asm/spr-regs.h>
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#include <asm/spr-regs.h>
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#include <asm/mb-regs.h>
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#include <asm/mb-regs.h>
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@ -116,6 +117,7 @@ static inline void *kmap_atomic(struct page *page, enum km_type type)
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unsigned long paddr;
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unsigned long paddr;
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pagefault_disable();
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pagefault_disable();
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debug_kmap_atomic(type);
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paddr = page_to_phys(page);
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paddr = page_to_phys(page);
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switch (type) {
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switch (type) {
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@ -16,6 +16,7 @@
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#include <linux/init.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/interrupt.h>
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#include <linux/highmem.h>
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#include <asm/kmap_types.h>
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#include <asm/kmap_types.h>
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#include <asm/pgtable.h>
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#include <asm/pgtable.h>
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@ -77,6 +78,7 @@ static inline unsigned long kmap_atomic(struct page *page, enum km_type type)
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if (page < highmem_start_page)
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if (page < highmem_start_page)
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return page_address(page);
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return page_address(page);
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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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#if HIGHMEM_DEBUG
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#if HIGHMEM_DEBUG
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