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authorPeter Zijlstra <peterz@infradead.org>2018-09-20 10:54:04 +0200
committerIngo Molnar <mingo@kernel.org>2019-04-03 10:33:01 +0200
commitfa0aafb8acb684e68231ff0a547ed249f8dc31a5 (patch)
treef5ee01320b5d6700560258508fe0e31ceb6fac18 /mm
parentb3fa8ed4e48802e6ba0aa5f3283313a27dcbf46f (diff)
asm-generic/tlb: Remove tlb_flush_mmu_free()
As the comment notes; it is a potentially dangerous operation. Just use tlb_flush_mmu(), that will skip the (double) TLB invalidate if it really isn't needed anyway. No change in behavior intended. 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>
Diffstat (limited to 'mm')
-rw-r--r--mm/memory.c2
-rw-r--r--mm/mmu_gather.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 1aa5c03566f1..36aac6844662 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1155,7 +1155,7 @@ again:
*/
if (force_flush) {
force_flush = 0;
- tlb_flush_mmu_free(tlb);
+ tlb_flush_mmu(tlb);
if (addr != end)
goto again;
}
diff --git a/mm/mmu_gather.c b/mm/mmu_gather.c
index 7f5b2b8aa9dd..35699a4d0a74 100644
--- a/mm/mmu_gather.c
+++ b/mm/mmu_gather.c
@@ -91,7 +91,7 @@ bool __tlb_remove_page_size(struct mmu_gather *tlb, struct page *page, int page_
#endif /* HAVE_MMU_GATHER_NO_GATHER */
-void tlb_flush_mmu_free(struct mmu_gather *tlb)
+static void tlb_flush_mmu_free(struct mmu_gather *tlb)
{
#ifdef CONFIG_HAVE_RCU_TABLE_FREE
tlb_table_flush(tlb);