These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / parisc / include / asm / page.h

diff --git a/kernel/arch/parisc/include/asm/page.h b/kernel/arch/parisc/include/asm/page.h
index 60d5d17..80e742a 100644 (file)
--- a/kernel/arch/parisc/include/asm/page.h
+++ b/kernel/arch/parisc/include/asm/page.h
@@ -145,11 +145,22 @@ extern int npmem_ranges;
 #endif /* CONFIG_DISCONTIGMEM */
 
 #ifdef CONFIG_HUGETLB_PAGE
-#define HPAGE_SHIFT            22      /* 4MB (is this fixed?) */
+#define HPAGE_SHIFT            PMD_SHIFT /* fixed for transparent huge pages */
 #define HPAGE_SIZE             ((1UL) << HPAGE_SHIFT)
 #define HPAGE_MASK             (~(HPAGE_SIZE - 1))
 #define HUGETLB_PAGE_ORDER     (HPAGE_SHIFT - PAGE_SHIFT)
+
+#if defined(CONFIG_64BIT) && defined(CONFIG_PARISC_PAGE_SIZE_4KB)
+# define REAL_HPAGE_SHIFT      20 /* 20 = 1MB */
+# define _HUGE_PAGE_SIZE_ENCODING_DEFAULT _PAGE_SIZE_ENCODING_1M
+#elif !defined(CONFIG_64BIT) && defined(CONFIG_PARISC_PAGE_SIZE_4KB)
+# define REAL_HPAGE_SHIFT      22 /* 22 = 4MB */
+# define _HUGE_PAGE_SIZE_ENCODING_DEFAULT _PAGE_SIZE_ENCODING_4M
+#else
+# define REAL_HPAGE_SHIFT      24 /* 24 = 16MB */
+# define _HUGE_PAGE_SIZE_ENCODING_DEFAULT _PAGE_SIZE_ENCODING_16M
 #endif
+#endif /* CONFIG_HUGETLB_PAGE */
 
 #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)