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yaml
---
r: 291783
b: refs/heads/master
c: bc3e11b
h: refs/heads/master
i:
  291781: 7c276ac
  291779: 5494bc5
  291775: fb09de9
v: v3
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Cong Wang authored and Cong Wang committed Mar 20, 2012
1 parent 8f57ddd commit 503d0b2
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Showing 3 changed files with 9 additions and 9 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2480b2089210de3353b43419a80d9fa298d76f0e
refs/heads/master: bc3e11be88010e09692ed1d214407d56caa90075
4 changes: 2 additions & 2 deletions trunk/arch/sh/mm/cache-sh4.c
Original file line number Diff line number Diff line change
Expand Up @@ -244,7 +244,7 @@ static void sh4_flush_cache_page(void *args)
if (map_coherent)
vaddr = kmap_coherent(page, address);
else
vaddr = kmap_atomic(page, KM_USER0);
vaddr = kmap_atomic(page);

address = (unsigned long)vaddr;
}
Expand All @@ -259,7 +259,7 @@ static void sh4_flush_cache_page(void *args)
if (map_coherent)
kunmap_coherent(vaddr);
else
kunmap_atomic(vaddr, KM_USER0);
kunmap_atomic(vaddr);
}
}

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12 changes: 6 additions & 6 deletions trunk/arch/sh/mm/cache.c
Original file line number Diff line number Diff line change
Expand Up @@ -95,39 +95,39 @@ void copy_user_highpage(struct page *to, struct page *from,
{
void *vfrom, *vto;

vto = kmap_atomic(to, KM_USER1);
vto = kmap_atomic(to);

if (boot_cpu_data.dcache.n_aliases && page_mapped(from) &&
test_bit(PG_dcache_clean, &from->flags)) {
vfrom = kmap_coherent(from, vaddr);
copy_page(vto, vfrom);
kunmap_coherent(vfrom);
} else {
vfrom = kmap_atomic(from, KM_USER0);
vfrom = kmap_atomic(from);
copy_page(vto, vfrom);
kunmap_atomic(vfrom, KM_USER0);
kunmap_atomic(vfrom);
}

if (pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK) ||
(vma->vm_flags & VM_EXEC))
__flush_purge_region(vto, PAGE_SIZE);

kunmap_atomic(vto, KM_USER1);
kunmap_atomic(vto);
/* Make sure this page is cleared on other CPU's too before using it */
smp_wmb();
}
EXPORT_SYMBOL(copy_user_highpage);

void clear_user_highpage(struct page *page, unsigned long vaddr)
{
void *kaddr = kmap_atomic(page, KM_USER0);
void *kaddr = kmap_atomic(page);

clear_page(kaddr);

if (pages_do_alias((unsigned long)kaddr, vaddr & PAGE_MASK))
__flush_purge_region(kaddr, PAGE_SIZE);

kunmap_atomic(kaddr, KM_USER0);
kunmap_atomic(kaddr);
}
EXPORT_SYMBOL(clear_user_highpage);

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