asm-generic/tlb: Introduce CONFIG_HAVE_MMU_GATHER_NO_GATHER=y

[mirror_ubuntu-focal-kernel.git] / include / asm-generic / tlb.h

diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index 81799e6a4304427f73155d421354cf18c1f6f84e..af20aa8255cde074f9cd5377d5f440879dbedb17 100644 (file)
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -191,6 +191,7 @@ extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
 
 #endif
 
+#ifndef CONFIG_HAVE_MMU_GATHER_NO_GATHER
 /*
  * If we can't allocate a page to make a big batch of page pointers
  * to work on, then just handle a few from the on-stack structure.
@@ -215,6 +216,10 @@ struct mmu_gather_batch {
  */
 #define MAX_GATHER_BATCH_COUNT (10000UL/MAX_GATHER_BATCH)
 
+extern bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page,
+                                  int page_size);
+#endif
+
 /*
  * struct mmu_gather is an opaque type used by the mm code for passing around
  * any data needed by arch specific code for tlb_remove_page.
@@ -261,6 +266,7 @@ struct mmu_gather {
 
        unsigned int            batch_count;
 
+#ifndef CONFIG_HAVE_MMU_GATHER_NO_GATHER
        struct mmu_gather_batch *active;
        struct mmu_gather_batch local;
        struct page             *__pages[MMU_GATHER_BUNDLE];
@@ -268,6 +274,7 @@ struct mmu_gather {
 #ifdef CONFIG_HAVE_MMU_GATHER_PAGE_SIZE
        unsigned int page_size;
 #endif
+#endif
 };
 
 void arch_tlb_gather_mmu(struct mmu_gather *tlb,
@@ -276,8 +283,6 @@ void tlb_flush_mmu(struct mmu_gather *tlb);
 void arch_tlb_finish_mmu(struct mmu_gather *tlb,
                         unsigned long start, unsigned long end, bool force);
 void tlb_flush_mmu_free(struct mmu_gather *tlb);
-extern bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page,
-                                  int page_size);
 
 static inline void __tlb_adjust_range(struct mmu_gather *tlb,
                                      unsigned long address,