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sh: add copy_user_page() alias for __copy_user()
copy_user_page() is needed by DAX. Without this we get a compile error for DAX on SH: fs/dax.c:280:2: error: implicit declaration of function `copy_user_page' [-Werror=implicit-function-declaration] copy_user_page(vto, (void __force *)vfrom, vaddr, to); ^ This was done with a random config that happened to include DAX support. This patch has only been compile tested. Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Matthew Wilcox <willy@linux.intel.com> Cc: Matt Fleming <matt@codeblueprint.co.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -59,6 +59,7 @@ pages_do_alias(unsigned long addr1, unsigned long addr2)
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#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
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#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE)
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extern void copy_page(void *to, void *from);
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extern void copy_page(void *to, void *from);
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#define copy_user_page(to, from, vaddr, pg) __copy_user(to, from, PAGE_SIZE)
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struct page;
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struct page;
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struct vm_area_struct;
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struct vm_area_struct;
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