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-rw-r--r--arch/arm/mm/mmu.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 761ffede6a23..9d4da6ac28eb 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -100,18 +100,17 @@ static struct cachepolicy cache_policies[] __initdata = {
100 * writebuffer to be turned off. (Note: the write 100 * writebuffer to be turned off. (Note: the write
101 * buffer should not be on and the cache off). 101 * buffer should not be on and the cache off).
102 */ 102 */
103static void __init early_cachepolicy(char **p) 103static int __init early_cachepolicy(char *p)
104{ 104{
105 int i; 105 int i;
106 106
107 for (i = 0; i < ARRAY_SIZE(cache_policies); i++) { 107 for (i = 0; i < ARRAY_SIZE(cache_policies); i++) {
108 int len = strlen(cache_policies[i].policy); 108 int len = strlen(cache_policies[i].policy);
109 109
110 if (memcmp(*p, cache_policies[i].policy, len) == 0) { 110 if (memcmp(p, cache_policies[i].policy, len) == 0) {
111 cachepolicy = i; 111 cachepolicy = i;
112 cr_alignment &= ~cache_policies[i].cr_mask; 112 cr_alignment &= ~cache_policies[i].cr_mask;
113 cr_no_alignment &= ~cache_policies[i].cr_mask; 113 cr_no_alignment &= ~cache_policies[i].cr_mask;
114 *p += len;
115 break; 114 break;
116 } 115 }
117 } 116 }
@@ -130,36 +129,37 @@ static void __init early_cachepolicy(char **p)
130 } 129 }
131 flush_cache_all(); 130 flush_cache_all();
132 set_cr(cr_alignment); 131 set_cr(cr_alignment);
132 return 0;
133} 133}
134__early_param("cachepolicy=", early_cachepolicy); 134early_param("cachepolicy", early_cachepolicy);
135 135
136static void __init early_nocache(char **__unused) 136static int __init early_nocache(char *__unused)
137{ 137{
138 char *p = "buffered"; 138 char *p = "buffered";
139 printk(KERN_WARNING "nocache is deprecated; use cachepolicy=%s\n", p); 139 printk(KERN_WARNING "nocache is deprecated; use cachepolicy=%s\n", p);
140 early_cachepolicy(&p); 140 early_cachepolicy(p);
141 return 0;
141} 142}
142__early_param("nocache", early_nocache); 143early_param("nocache", early_nocache);
143 144
144static void __init early_nowrite(char **__unused) 145static int __init early_nowrite(char *__unused)
145{ 146{
146 char *p = "uncached"; 147 char *p = "uncached";
147 printk(KERN_WARNING "nowb is deprecated; use cachepolicy=%s\n", p); 148 printk(KERN_WARNING "nowb is deprecated; use cachepolicy=%s\n", p);
148 early_cachepolicy(&p); 149 early_cachepolicy(p);
150 return 0;
149} 151}
150__early_param("nowb", early_nowrite); 152early_param("nowb", early_nowrite);
151 153
152static void __init early_ecc(char **p) 154static int __init early_ecc(char *p)
153{ 155{
154 if (memcmp(*p, "on", 2) == 0) { 156 if (memcmp(p, "on", 2) == 0)
155 ecc_mask = PMD_PROTECTION; 157 ecc_mask = PMD_PROTECTION;
156 *p += 2; 158 else if (memcmp(p, "off", 3) == 0)
157 } else if (memcmp(*p, "off", 3) == 0) {
158 ecc_mask = 0; 159 ecc_mask = 0;
159 *p += 3; 160 return 0;
160 }
161} 161}
162__early_param("ecc=", early_ecc); 162early_param("ecc", early_ecc);
163 163
164static int __init noalign_setup(char *__unused) 164static int __init noalign_setup(char *__unused)
165{ 165{
@@ -670,9 +670,9 @@ static unsigned long __initdata vmalloc_reserve = SZ_128M;
670 * bytes. This can be used to increase (or decrease) the vmalloc 670 * bytes. This can be used to increase (or decrease) the vmalloc
671 * area - the default is 128m. 671 * area - the default is 128m.
672 */ 672 */
673static void __init early_vmalloc(char **arg) 673static int __init early_vmalloc(char *arg)
674{ 674{
675 vmalloc_reserve = memparse(*arg, arg); 675 vmalloc_reserve = memparse(arg, NULL);
676 676
677 if (vmalloc_reserve < SZ_16M) { 677 if (vmalloc_reserve < SZ_16M) {
678 vmalloc_reserve = SZ_16M; 678 vmalloc_reserve = SZ_16M;
@@ -687,8 +687,9 @@ static void __init early_vmalloc(char **arg)
687 "vmalloc area is too big, limiting to %luMB\n", 687 "vmalloc area is too big, limiting to %luMB\n",
688 vmalloc_reserve >> 20); 688 vmalloc_reserve >> 20);
689 } 689 }
690 return 0;
690} 691}
691__early_param("vmalloc=", early_vmalloc); 692early_param("vmalloc", early_vmalloc);
692 693
693#define VMALLOC_MIN (void *)(VMALLOC_END - vmalloc_reserve) 694#define VMALLOC_MIN (void *)(VMALLOC_END - vmalloc_reserve)
694 695