Merge remote-tracking branch 'origin/x86/mm' into x86/mm2

[karo-tx-linux.git] / arch / x86 / mm / pageattr.c

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 6d13d2a3f825306a11195a258fb7f78ed073c887..a1b1c88f9caf5f6c1eaf6a8b6a95477dad36a5f8 100644 (file)
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -579,16 +579,10 @@ static int split_large_page(pte_t *kpte, unsigned long address)
        for (i = 0; i < PTRS_PER_PTE; i++, pfn += pfninc)
                set_pte(&pbase[i], pfn_pte(pfn, ref_prot));
 
-       if (address >= (unsigned long)__va(0) &&
-               address < (unsigned long)__va(max_low_pfn_mapped << PAGE_SHIFT))
+       if (pfn_range_is_mapped(PFN_DOWN(__pa(address)),
+                               PFN_DOWN(__pa(address)) + 1))
                split_page_count(level);
 
-#ifdef CONFIG_X86_64
-       if (address >= (unsigned long)__va(1UL<<32) &&
-               address < (unsigned long)__va(max_pfn_mapped << PAGE_SHIFT))
-               split_page_count(level);
-#endif
-
        /*
         * Install the new, split up pagetable.
         *
@@ -757,13 +751,9 @@ static int cpa_process_alias(struct cpa_data *cpa)
        unsigned long vaddr;
        int ret;
 
-       if (cpa->pfn >= max_pfn_mapped)
+       if (!pfn_range_is_mapped(cpa->pfn, cpa->pfn + 1))
                return 0;
 
-#ifdef CONFIG_X86_64
-       if (cpa->pfn >= max_low_pfn_mapped && cpa->pfn < (1UL<<(32-PAGE_SHIFT)))
-               return 0;
-#endif
        /*
         * No need to redo, when the primary call touched the direct
         * mapping already: