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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2010-10-26 14:21:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 16:52:08 -0700
commitece0e2b6406a995c371e0311190631ea34ad851a (patch)
tree726a516a91f5f7efe9dbb247ba28d019981d456e /arch/x86/include
parent3e4d3af501cccdc8a8cca41bdbe57d54ad7e7e73 (diff)
downloadop-kernel-dev-ece0e2b6406a995c371e0311190631ea34ad851a.zip
op-kernel-dev-ece0e2b6406a995c371e0311190631ea34ad851a.tar.gz
mm: remove pte_*map_nested()
Since we no longer need to provide KM_type, the whole pte_*map_nested() API is now redundant, remove it. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Cc: David Howells <dhowells@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Rik van Riel <riel@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: David Miller <davem@davemloft.net> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/pgtable_32.h14
-rw-r--r--arch/x86/include/asm/pgtable_64.h2
2 files changed, 2 insertions, 14 deletions
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index 8abde9e..0c92113 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -49,24 +49,14 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
#endif
#if defined(CONFIG_HIGHPTE)
-#define __KM_PTE \
- (in_nmi() ? KM_NMI_PTE : \
- in_irq() ? KM_IRQ_PTE : \
- KM_PTE0)
#define pte_offset_map(dir, address) \
- ((pte_t *)kmap_atomic(pmd_page(*(dir)), __KM_PTE) + \
+ ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
pte_index((address)))
-#define pte_offset_map_nested(dir, address) \
- ((pte_t *)kmap_atomic(pmd_page(*(dir)), KM_PTE1) + \
- pte_index((address)))
-#define pte_unmap(pte) kunmap_atomic((pte), __KM_PTE)
-#define pte_unmap_nested(pte) kunmap_atomic((pte), KM_PTE1)
+#define pte_unmap(pte) kunmap_atomic((pte))
#else
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + pte_index((address)))
-#define pte_offset_map_nested(dir, address) pte_offset_map((dir), (address))
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
#endif
/* Clear a kernel PTE and flush it from the TLB */
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index f96ac9b..f86da20 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -127,9 +127,7 @@ static inline int pgd_large(pgd_t pgd) { return 0; }
/* x86-64 always has all page tables mapped. */
#define pte_offset_map(dir, address) pte_offset_kernel((dir), (address))
-#define pte_offset_map_nested(dir, address) pte_offset_kernel((dir), (address))
#define pte_unmap(pte) ((void)(pte))/* NOP */
-#define pte_unmap_nested(pte) ((void)(pte)) /* NOP */
#define update_mmu_cache(vma, address, ptep) do { } while (0)
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