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nds32: Fix the symbols undefined issue by exporting them.

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It broke the 'allmodconfig' build.
  LD      vmlinux
  SYSMAP  System.map
  Building modules, stage 2.
  MODPOST 5028 modules
ERROR: "flush_dcache_page" [net/sunrpc/xprtrdma/rpcrdma.ko] undefined!
ERROR: "empty_zero_page" [net/ceph/libceph.ko] undefined!
ERROR: "save_stack_trace" [kernel/backtracetest.ko] undefined!
ERROR: "clear_page" [fs/ocfs2/dlm/ocfs2_dlm.ko] undefined!
ERROR: "copy_page" [fs/nilfs2/nilfs2.ko] undefined!
...

Signed-off-by: Greentime Hu <greentime@andestech.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Greentime Hu
2018-04-19 15:45:45 +08:00
parent 03969d0b3a
commit e3f4624388
6 changed files with 32 additions and 0 deletions
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3
arch/nds32/include/asm/page.h
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@@ -27,6 +27,9 @@ extern void copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr, struct vm_area_struct *vma);
extern void clear_user_highpage(struct page *page, unsigned long vaddr);
void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
struct page *to);
void clear_user_page(void *addr, unsigned long vaddr, struct page *page);
#define __HAVE_ARCH_COPY_USER_HIGHPAGE
#define clear_user_highpage clear_user_highpage
#else