[PATCH 3.2 028/147] xtensa: mm/cache: add missing EXPORT_SYMBOLs

From: Ben Hutchings
Date: Mon Nov 06 2017 - 18:30:03 EST


3.2.95-rc1 review patch. If anyone has any objections, please let me know.

------------------

From: Max Filippov <jcmvbkbc@xxxxxxxxx>

commit bc652eb6a0d5cffaea7dc8e8ad488aab2a1bf1ed upstream.

Functions clear_user_highpage, copy_user_highpage, flush_dcache_page,
local_flush_cache_range and local_flush_cache_page may be used from
modules. Export them.

Signed-off-by: Max Filippov <jcmvbkbc@xxxxxxxxx>
[bwh: Backported to 3.2: drop exports of {clear,copy}_user_highpage()]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -112,7 +112,7 @@ void flush_dcache_page(struct page *page

/* There shouldn't be an entry in the cache for this page anymore. */
}
-
+EXPORT_SYMBOL(flush_dcache_page);

/*
* For now, flush the whole cache. FIXME??
@@ -124,6 +124,7 @@ void flush_cache_range(struct vm_area_st
__flush_invalidate_dcache_all();
__invalidate_icache_all();
}
+EXPORT_SYMBOL(local_flush_cache_range);

/*
* Remove any entry in the cache for this page.
@@ -143,6 +144,7 @@ void flush_cache_page(struct vm_area_str
__flush_invalidate_dcache_page_alias(virt, phys);
__invalidate_icache_page_alias(virt, phys);
}
+EXPORT_SYMBOL(local_flush_cache_page);

#endif /* DCACHE_WAY_SIZE > PAGE_SIZE */