From: Max Filippov <jcmvbkbc@gmail.com>
Date: Tue, 1 Aug 2017 18:15:15 +0000 (-0700)
Subject: xtensa: mm/cache: add missing EXPORT_SYMBOLs
X-Git-Tag: v3.2.95~120
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cfd73915e217c3580ce4fd6c3f52d2422028adea;p=thirdparty%2Fkernel%2Fstable.git

xtensa: mm/cache: add missing EXPORT_SYMBOLs

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@gmail.com>
[bwh: Backported to 3.2: drop exports of {clear,copy}_user_highpage()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index 6213c90aa9225..1b6246108b3c4 100644
--- 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_struct* vma,
 	__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_struct* vma, unsigned long address,
 	__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 */