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-rw-r--r--include/asm-ia64/pgtable.h22
1 files changed, 10 insertions, 12 deletions
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index eaac08d5e0bd..228981cadf8f 100644
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -316,22 +316,20 @@ ia64_phys_addr_valid (unsigned long addr)
316#define pte_mkhuge(pte) (__pte(pte_val(pte))) 316#define pte_mkhuge(pte) (__pte(pte_val(pte)))
317 317
318/* 318/*
319 * Macro to a page protection value as "uncacheable". Note that "protection" is really a 319 * Make page protection values cacheable, uncacheable, or write-
320 * misnomer here as the protection value contains the memory attribute bits, dirty bits, 320 * combining. Note that "protection" is really a misnomer here as the
321 * and various other bits as well. 321 * protection value contains the memory attribute bits, dirty bits, and
322 * various other bits as well.
322 */ 323 */
324#define pgprot_cacheable(prot) __pgprot((pgprot_val(prot) & ~_PAGE_MA_MASK) | _PAGE_MA_WB)
323#define pgprot_noncached(prot) __pgprot((pgprot_val(prot) & ~_PAGE_MA_MASK) | _PAGE_MA_UC) 325#define pgprot_noncached(prot) __pgprot((pgprot_val(prot) & ~_PAGE_MA_MASK) | _PAGE_MA_UC)
324
325/*
326 * Macro to make mark a page protection value as "write-combining".
327 * Note that "protection" is really a misnomer here as the protection
328 * value contains the memory attribute bits, dirty bits, and various
329 * other bits as well. Accesses through a write-combining translation
330 * works bypasses the caches, but does allow for consecutive writes to
331 * be combined into single (but larger) write transactions.
332 */
333#define pgprot_writecombine(prot) __pgprot((pgprot_val(prot) & ~_PAGE_MA_MASK) | _PAGE_MA_WC) 326#define pgprot_writecombine(prot) __pgprot((pgprot_val(prot) & ~_PAGE_MA_MASK) | _PAGE_MA_WC)
334 327
328struct file;
329extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
330 unsigned long size, pgprot_t vma_prot);
331#define __HAVE_PHYS_MEM_ACCESS_PROT
332
335static inline unsigned long 333static inline unsigned long
336pgd_index (unsigned long address) 334pgd_index (unsigned long address)
337{ 335{