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authorPeter Zijlstra <peterz@infradead.org>2018-09-20 10:55:10 +0200
committerIngo Molnar <mingo@kernel.org>2019-04-03 10:33:02 +0200
commit0a8caf211bcf52cbb59e100ead4908fe88d2a510 (patch)
treebcc86e51b62f103f4817a46a92ad001a91d66ef6
parentfa0aafb8acb684e68231ff0a547ed249f8dc31a5 (diff)
asm-generic/tlb: Remove tlb_table_flush()
There are no external users of this API (nor should there be); remove it. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Will Deacon <will.deacon@arm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@surriel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--include/asm-generic/tlb.h1
-rw-r--r--mm/mmu_gather.c34
2 files changed, 17 insertions, 18 deletions
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index ddd3d02be93d..fc661b4675ff 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -182,7 +182,6 @@ struct mmu_table_batch {
#define MAX_TABLE_BATCH \
((PAGE_SIZE - sizeof(struct mmu_table_batch)) / sizeof(void *))
-extern void tlb_table_flush(struct mmu_gather *tlb);
extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
#endif
diff --git a/mm/mmu_gather.c b/mm/mmu_gather.c
index 35699a4d0a74..99740e1dd273 100644
--- a/mm/mmu_gather.c
+++ b/mm/mmu_gather.c
@@ -91,22 +91,6 @@ bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page, int page_
#endif /* HAVE_MMU_GATHER_NO_GATHER */
-static void tlb_flush_mmu_free(struct mmu_gather *tlb)
-{
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
- tlb_table_flush(tlb);
-#endif
-#ifndef CONFIG_HAVE_MMU_GATHER_NO_GATHER
- tlb_batch_pages_flush(tlb);
-#endif
-}
-
-void tlb_flush_mmu(struct mmu_gather *tlb)
-{
- tlb_flush_mmu_tlbonly(tlb);
- tlb_flush_mmu_free(tlb);
-}
-
#ifdef CONFIG_HAVE_RCU_TABLE_FREE
/*
@@ -159,7 +143,7 @@ static void tlb_remove_table_rcu(struct rcu_head *head)
free_page((unsigned long)batch);
}
-void tlb_table_flush(struct mmu_gather *tlb)
+static void tlb_table_flush(struct mmu_gather *tlb)
{
struct mmu_table_batch **batch = &tlb->batch;
@@ -191,6 +175,22 @@ void tlb_remove_table(struct mmu_gather *tlb, void *table)
#endif /* CONFIG_HAVE_RCU_TABLE_FREE */
+static void tlb_flush_mmu_free(struct mmu_gather *tlb)
+{
+#ifdef CONFIG_HAVE_RCU_TABLE_FREE
+ tlb_table_flush(tlb);
+#endif
+#ifndef CONFIG_HAVE_MMU_GATHER_NO_GATHER
+ tlb_batch_pages_flush(tlb);
+#endif
+}
+
+void tlb_flush_mmu(struct mmu_gather *tlb)
+{
+ tlb_flush_mmu_tlbonly(tlb);
+ tlb_flush_mmu_free(tlb);
+}
+
/**
* tlb_gather_mmu - initialize an mmu_gather structure for page-table tear-down
* @tlb: the mmu_gather structure to initialize