linux-kernel - [PATCH 3.2 028/147] xtensa: mm/cache: add missing EXPORT

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Date:   Mon, 06 Nov 2017 23:03:07 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "Max Filippov" <jcmvbkbc@...il.com>
Subject: [PATCH 3.2 028/147] xtensa: mm/cache: add missing EXPORT_SYMBOLs

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

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

From: Max Filippov <jcmvbkbc@...il.com>

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