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| author | David S. Miller <davem@davemloft.net> | 2013-09-18 12:00:00 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-11-12 15:22:33 -0800 |
| commit | 922631b988d8cbb821ebe2c67feffc0b95264894 (patch) | |
| tree | 85397cf5a1073f132c752d9f43f5ada6a50a1c05 /arch/sparc/mm/init_64.c | |
| parent | c920745e6964bd4b9315a17b018d83fad66010d3 (diff) | |
| download | lwn-922631b988d8cbb821ebe2c67feffc0b95264894.tar.gz lwn-922631b988d8cbb821ebe2c67feffc0b95264894.zip | |
sparc64: Use PAGE_OFFSET instead of a magic constant.
This pertains to all of the computations of the kernel fast
TLB miss xor values.
Based upon a patch by Bob Picco.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Bob Picco <bob.picco@oracle.com>
Diffstat (limited to 'arch/sparc/mm/init_64.c')
| -rw-r--r-- | arch/sparc/mm/init_64.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index ed82edad1a39..e295a5b30ac9 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1722,7 +1722,7 @@ static void __init sun4v_linear_pte_xor_finalize(void) #ifndef CONFIG_DEBUG_PAGEALLOC if (cpu_pgsz_mask & HV_PGSZ_MASK_256MB) { kern_linear_pte_xor[1] = (_PAGE_VALID | _PAGE_SZ256MB_4V) ^ - 0xfffff80000000000UL; + PAGE_OFFSET; kern_linear_pte_xor[1] |= (_PAGE_CP_4V | _PAGE_CV_4V | _PAGE_P_4V | _PAGE_W_4V); } else { @@ -1731,7 +1731,7 @@ static void __init sun4v_linear_pte_xor_finalize(void) if (cpu_pgsz_mask & HV_PGSZ_MASK_2GB) { kern_linear_pte_xor[2] = (_PAGE_VALID | _PAGE_SZ2GB_4V) ^ - 0xfffff80000000000UL; + PAGE_OFFSET; kern_linear_pte_xor[2] |= (_PAGE_CP_4V | _PAGE_CV_4V | _PAGE_P_4V | _PAGE_W_4V); } else { @@ -1740,7 +1740,7 @@ static void __init sun4v_linear_pte_xor_finalize(void) if (cpu_pgsz_mask & HV_PGSZ_MASK_16GB) { kern_linear_pte_xor[3] = (_PAGE_VALID | _PAGE_SZ16GB_4V) ^ - 0xfffff80000000000UL; + PAGE_OFFSET; kern_linear_pte_xor[3] |= (_PAGE_CP_4V | _PAGE_CV_4V | _PAGE_P_4V | _PAGE_W_4V); } else { @@ -2261,10 +2261,10 @@ static void __init sun4u_pgprot_init(void) __ACCESS_BITS_4U | _PAGE_E_4U); #ifdef CONFIG_DEBUG_PAGEALLOC - kern_linear_pte_xor[0] = _PAGE_VALID ^ 0xfffff80000000000UL; + kern_linear_pte_xor[0] = _PAGE_VALID ^ PAGE_OFFSET; #else kern_linear_pte_xor[0] = (_PAGE_VALID | _PAGE_SZ4MB_4U) ^ - 0xfffff80000000000UL; + PAGE_OFFSET; #endif kern_linear_pte_xor[0] |= (_PAGE_CP_4U | _PAGE_CV_4U | _PAGE_P_4U | _PAGE_W_4U); @@ -2308,10 +2308,10 @@ static void __init sun4v_pgprot_init(void) _PAGE_CACHE = _PAGE_CACHE_4V; #ifdef CONFIG_DEBUG_PAGEALLOC - kern_linear_pte_xor[0] = _PAGE_VALID ^ 0xfffff80000000000UL; + kern_linear_pte_xor[0] = _PAGE_VALID ^ PAGE_OFFSET; #else kern_linear_pte_xor[0] = (_PAGE_VALID | _PAGE_SZ4MB_4V) ^ - 0xfffff80000000000UL; + PAGE_OFFSET; #endif kern_linear_pte_xor[0] |= (_PAGE_CP_4V | _PAGE_CV_4V | _PAGE_P_4V | _PAGE_W_4V); |