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-rw-r--r--include/asm-generic/tlb.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index 04a1b8f08eea..53befa5acb27 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -121,11 +121,14 @@
*
* Additionally there are a few opt-in features:
*
- * HAVE_MMU_GATHER_PAGE_SIZE
+ * MMU_GATHER_PAGE_SIZE
*
* This ensures we call tlb_flush() every time tlb_change_page_size() actually
* changes the size and provides mmu_gather::page_size to tlb_flush().
*
+ * This might be useful if your architecture has size specific TLB
+ * invalidation instructions.
+ *
* MMU_GATHER_RCU_TABLE_FREE
*
* This provides tlb_remove_table(), to be used instead of tlb_remove_page()
@@ -279,7 +282,7 @@ struct mmu_gather {
struct mmu_gather_batch local;
struct page *__pages[MMU_GATHER_BUNDLE];
-#ifdef CONFIG_HAVE_MMU_GATHER_PAGE_SIZE
+#ifdef CONFIG_MMU_GATHER_PAGE_SIZE
unsigned int page_size;
#endif
#endif
@@ -435,7 +438,7 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
static inline void tlb_change_page_size(struct mmu_gather *tlb,
unsigned int page_size)
{
-#ifdef CONFIG_HAVE_MMU_GATHER_PAGE_SIZE
+#ifdef CONFIG_MMU_GATHER_PAGE_SIZE
if (tlb->page_size && tlb->page_size != page_size) {
if (!tlb->fullmm && !tlb->need_flush_all)
tlb_flush_mmu(tlb);