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-rw-r--r--arch/arm/mm/nommu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 43cfd06bbeba..c415f3859b20 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -180,6 +180,12 @@ void setup_mm_for_reboot(void)
{
}
+void flush_dcache_folio(struct folio *folio)
+{
+ __cpuc_flush_dcache_area(folio_address(folio), folio_size(folio));
+}
+EXPORT_SYMBOL(flush_dcache_folio);
+
void flush_dcache_page(struct page *page)
{
__cpuc_flush_dcache_area(page_address(page), PAGE_SIZE);