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Diffstat (limited to 'arch/arm64/mm/flush.c')
-rw-r--r--arch/arm64/mm/flush.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c
index 2aaf950b906c..fbf08b543c3f 100644
--- a/arch/arm64/mm/flush.c
+++ b/arch/arm64/mm/flush.c
@@ -8,6 +8,7 @@
#include <linux/export.h>
#include <linux/mm.h>
+#include <linux/libnvdimm.h>
#include <linux/pagemap.h>
#include <asm/cacheflush.h>
@@ -50,13 +51,13 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
void __sync_icache_dcache(pte_t pte)
{
- struct page *page = pte_page(pte);
+ struct folio *folio = page_folio(pte_page(pte));
- if (!test_bit(PG_dcache_clean, &page->flags)) {
- sync_icache_aliases((unsigned long)page_address(page),
- (unsigned long)page_address(page) +
- page_size(page));
- set_bit(PG_dcache_clean, &page->flags);
+ if (!test_bit(PG_dcache_clean, &folio->flags.f)) {
+ sync_icache_aliases((unsigned long)folio_address(folio),
+ (unsigned long)folio_address(folio) +
+ folio_size(folio));
+ set_bit(PG_dcache_clean, &folio->flags.f);
}
}
EXPORT_SYMBOL_GPL(__sync_icache_dcache);
@@ -66,10 +67,16 @@ EXPORT_SYMBOL_GPL(__sync_icache_dcache);
* it as dirty for later flushing when mapped in user space (if executable,
* see __sync_icache_dcache).
*/
+void flush_dcache_folio(struct folio *folio)
+{
+ if (test_bit(PG_dcache_clean, &folio->flags.f))
+ clear_bit(PG_dcache_clean, &folio->flags.f);
+}
+EXPORT_SYMBOL(flush_dcache_folio);
+
void flush_dcache_page(struct page *page)
{
- if (test_bit(PG_dcache_clean, &page->flags))
- clear_bit(PG_dcache_clean, &page->flags);
+ flush_dcache_folio(page_folio(page));
}
EXPORT_SYMBOL(flush_dcache_page);