Merge tag 'arc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

[linux-2.6-microblaze.git] / arch / arm / mm / flush.c

diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c
index 6d89db7..7ff9fee 100644 (file)
--- a/arch/arm/mm/flush.c
+++ b/arch/arm/mm/flush.c
@@ -345,39 +345,6 @@ void flush_dcache_page(struct page *page)
 }
 EXPORT_SYMBOL(flush_dcache_page);
 
-/*
- * Ensure cache coherency for the kernel mapping of this page. We can
- * assume that the page is pinned via kmap.
- *
- * If the page only exists in the page cache and there are no user
- * space mappings, this is a no-op since the page was already marked
- * dirty at creation.  Otherwise, we need to flush the dirty kernel
- * cache lines directly.
- */
-void flush_kernel_dcache_page(struct page *page)
-{
-       if (cache_is_vivt() || cache_is_vipt_aliasing()) {
-               struct address_space *mapping;
-
-               mapping = page_mapping_file(page);
-
-               if (!mapping || mapping_mapped(mapping)) {
-                       void *addr;
-
-                       addr = page_address(page);
-                       /*
-                        * kmap_atomic() doesn't set the page virtual
-                        * address for highmem pages, and
-                        * kunmap_atomic() takes care of cache
-                        * flushing already.
-                        */
-                       if (!IS_ENABLED(CONFIG_HIGHMEM) || addr)
-                               __cpuc_flush_dcache_area(addr, PAGE_SIZE);
-               }
-       }
-}
-EXPORT_SYMBOL(flush_kernel_dcache_page);
-
 /*
  * Flush an anonymous page so that users of get_user_pages()
  * can safely access the data.  The expected sequence is: