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-rw-r--r--arch/s390/include/asm/tlb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index 05142226d65d..b91f4a9b044c 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -41,6 +41,9 @@ static inline bool __tlb_remove_page_size(struct mmu_gather *tlb,
* Release the page cache reference for a pte removed by
* tlb_ptep_clear_flush. In both flush modes the tlb for a page cache page
* has already been freed, so just do free_page_and_swap_cache.
+ *
+ * s390 doesn't delay rmap removal, so there is nothing encoded in
+ * the page pointer.
*/
static inline bool __tlb_remove_page_size(struct mmu_gather *tlb,
struct encoded_page *page,