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authorRandy Dunlap <rdunlap@infradead.org>2021-08-16 23:05:33 +0200
committerVineet Gupta <vgupta@kernel.org>2021-08-24 23:25:46 +0200
commit6b5ff0405e4190f23780362ea324b250bc495683 (patch)
tree025515ab56ad2de2f2acabe0b13519deabd7a688 /arch/arc
parentarch/arc/kernel/: fix misspellings using codespell tool (diff)
downloadlinux-6b5ff0405e4190f23780362ea324b250bc495683.tar.xz
linux-6b5ff0405e4190f23780362ea324b250bc495683.zip
ARC: export clear_user_page() for modules
0day bot reports a build error: ERROR: modpost: "clear_user_page" [drivers/media/v4l2-core/videobuf-dma-sg.ko] undefined! so export it in arch/arc/ to fix the build error. In most ARCHes, clear_user_page() is a macro. OTOH, in a few ARCHes it is a function and needs to be exported. PowerPC exported it in 2004. It looks like nds32 and nios2 still need to have it exported. Fixes: 4102b53392d63 ("ARC: [mm] Aliasing VIPT dcache support 2/4") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kernel test robot <lkp@intel.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: linux-snps-arc@lists.infradead.org Signed-off-by: Vineet Gupta <vgupta@kernel.org>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/mm/cache.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c
index a2fbea3ee07c..102418ac5ff4 100644
--- a/arch/arc/mm/cache.c
+++ b/arch/arc/mm/cache.c
@@ -1123,7 +1123,7 @@ void clear_user_page(void *to, unsigned long u_vaddr, struct page *page)
clear_page(to);
clear_bit(PG_dc_clean, &page->flags);
}
-
+EXPORT_SYMBOL(clear_user_page);
/**********************************************************************
* Explicit Cache flush request from user space via syscall