aboutsummaryrefslogtreecommitdiffstats
path: root/arch/um/include/asm/page.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/include/asm/page.h')
-rw-r--r--arch/um/include/asm/page.h23
1 files changed, 10 insertions, 13 deletions
diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h
index e13d41c392ae..f878bec23576 100644
--- a/arch/um/include/asm/page.h
+++ b/arch/um/include/asm/page.h
@@ -34,21 +34,18 @@ struct page;
34 34
35#if defined(CONFIG_3_LEVEL_PGTABLES) && !defined(CONFIG_64BIT) 35#if defined(CONFIG_3_LEVEL_PGTABLES) && !defined(CONFIG_64BIT)
36 36
37typedef struct { unsigned long pte_low, pte_high; } pte_t; 37typedef struct { unsigned long pte; } pte_t;
38typedef struct { unsigned long pmd; } pmd_t; 38typedef struct { unsigned long pmd; } pmd_t;
39typedef struct { unsigned long pgd; } pgd_t; 39typedef struct { unsigned long pgd; } pgd_t;
40#define pte_val(x) ((x).pte_low | ((unsigned long long) (x).pte_high << 32)) 40#define pte_val(p) ((p).pte)
41 41
42#define pte_get_bits(pte, bits) ((pte).pte_low & (bits)) 42#define pte_get_bits(p, bits) ((p).pte & (bits))
43#define pte_set_bits(pte, bits) ((pte).pte_low |= (bits)) 43#define pte_set_bits(p, bits) ((p).pte |= (bits))
44#define pte_clear_bits(pte, bits) ((pte).pte_low &= ~(bits)) 44#define pte_clear_bits(p, bits) ((p).pte &= ~(bits))
45#define pte_copy(to, from) ({ (to).pte_high = (from).pte_high; \ 45#define pte_copy(to, from) ({ (to).pte = (from).pte; })
46 smp_wmb(); \ 46#define pte_is_zero(p) (!((p).pte & ~_PAGE_NEWPAGE))
47 (to).pte_low = (from).pte_low; }) 47#define pte_set_val(p, phys, prot) \
48#define pte_is_zero(pte) (!((pte).pte_low & ~_PAGE_NEWPAGE) && !(pte).pte_high) 48 ({ (p).pte = (phys) | pgprot_val(prot); })
49#define pte_set_val(pte, phys, prot) \
50 ({ (pte).pte_high = (phys) >> 32; \
51 (pte).pte_low = (phys) | pgprot_val(prot); })
52 49
53#define pmd_val(x) ((x).pmd) 50#define pmd_val(x) ((x).pmd)
54#define __pmd(x) ((pmd_t) { (x) } ) 51#define __pmd(x) ((pmd_t) { (x) } )