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authorAl Viro <viro@zeniv.linux.org.uk>2007-07-21 22:20:34 -0400
committerDavid S. Miller <davem@davemloft.net>2007-07-21 22:20:34 -0400
commit378e515c867bc7b6cb33a5aa52776d3e897e7b81 (patch)
tree8d7556218309bf2da37f462a97eaa0a4ff7eb5b8 /arch/sparc
parent0f516813ce5aa78b30084cd0cc2e7e2ba1777168 (diff)
[SPARC32]: Make PAGE_SHARED a read-mostly variable.
same scheme as for sparc64, same rationale Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/mm/init.c3
-rw-r--r--arch/sparc/mm/srmmu.c2
-rw-r--r--arch/sparc/mm/sun4c.c2
3 files changed, 5 insertions, 2 deletions
diff --git a/arch/sparc/mm/init.c b/arch/sparc/mm/init.c
index a532922e2e35..a1bef07755a9 100644
--- a/arch/sparc/mm/init.c
+++ b/arch/sparc/mm/init.c
@@ -308,6 +308,9 @@ extern void sun4c_paging_init(void);
308extern void srmmu_paging_init(void); 308extern void srmmu_paging_init(void);
309extern void device_scan(void); 309extern void device_scan(void);
310 310
311pgprot_t PAGE_SHARED __read_mostly;
312EXPORT_SYMBOL(PAGE_SHARED);
313
311void __init paging_init(void) 314void __init paging_init(void)
312{ 315{
313 switch(sparc_cpu_model) { 316 switch(sparc_cpu_model) {
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index ca26232da7ab..17b485f2825c 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -2154,7 +2154,7 @@ void __init ld_mmu_srmmu(void)
2154 BTFIXUPSET_SIMM13(ptrs_per_pgd, SRMMU_PTRS_PER_PGD); 2154 BTFIXUPSET_SIMM13(ptrs_per_pgd, SRMMU_PTRS_PER_PGD);
2155 2155
2156 BTFIXUPSET_INT(page_none, pgprot_val(SRMMU_PAGE_NONE)); 2156 BTFIXUPSET_INT(page_none, pgprot_val(SRMMU_PAGE_NONE));
2157 BTFIXUPSET_INT(page_shared, pgprot_val(SRMMU_PAGE_SHARED)); 2157 PAGE_SHARED = pgprot_val(SRMMU_PAGE_SHARED);
2158 BTFIXUPSET_INT(page_copy, pgprot_val(SRMMU_PAGE_COPY)); 2158 BTFIXUPSET_INT(page_copy, pgprot_val(SRMMU_PAGE_COPY));
2159 BTFIXUPSET_INT(page_readonly, pgprot_val(SRMMU_PAGE_RDONLY)); 2159 BTFIXUPSET_INT(page_readonly, pgprot_val(SRMMU_PAGE_RDONLY));
2160 BTFIXUPSET_INT(page_kernel, pgprot_val(SRMMU_PAGE_KERNEL)); 2160 BTFIXUPSET_INT(page_kernel, pgprot_val(SRMMU_PAGE_KERNEL));
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index bdd835fba02e..a57a366e339a 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -2155,7 +2155,7 @@ void __init ld_mmu_sun4c(void)
2155 BTFIXUPSET_SIMM13(user_ptrs_per_pgd, KERNBASE / SUN4C_PGDIR_SIZE); 2155 BTFIXUPSET_SIMM13(user_ptrs_per_pgd, KERNBASE / SUN4C_PGDIR_SIZE);
2156 2156
2157 BTFIXUPSET_INT(page_none, pgprot_val(SUN4C_PAGE_NONE)); 2157 BTFIXUPSET_INT(page_none, pgprot_val(SUN4C_PAGE_NONE));
2158 BTFIXUPSET_INT(page_shared, pgprot_val(SUN4C_PAGE_SHARED)); 2158 PAGE_SHARED = pgprot_val(SUN4C_PAGE_SHARED);
2159 BTFIXUPSET_INT(page_copy, pgprot_val(SUN4C_PAGE_COPY)); 2159 BTFIXUPSET_INT(page_copy, pgprot_val(SUN4C_PAGE_COPY));
2160 BTFIXUPSET_INT(page_readonly, pgprot_val(SUN4C_PAGE_READONLY)); 2160 BTFIXUPSET_INT(page_readonly, pgprot_val(SUN4C_PAGE_READONLY));
2161 BTFIXUPSET_INT(page_kernel, pgprot_val(SUN4C_PAGE_KERNEL)); 2161 BTFIXUPSET_INT(page_kernel, pgprot_val(SUN4C_PAGE_KERNEL));