[PATCH v6 16/18] asm-generic/tlb: Remove HAVE_GENERIC_MMU_GATHER
From: Peter Zijlstra
Date: Tue Feb 19 2019 - 05:34:20 EST
Since all architectures are now using it, it is redundant.
Acked-by: Will Deacon <will.deacon@xxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
include/asm-generic/tlb.h | 1 -
mm/mmu_gather.c | 4 ----
2 files changed, 5 deletions(-)
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -142,7 +142,6 @@
*
* Use this if your architecture lacks an efficient flush_tlb_range().
*/
-#define HAVE_GENERIC_MMU_GATHER
#ifdef CONFIG_HAVE_RCU_TABLE_FREE
/*
--- a/mm/mmu_gather.c
+++ b/mm/mmu_gather.c
@@ -11,8 +11,6 @@
#include <asm/pgalloc.h>
#include <asm/tlb.h>
-#ifdef HAVE_GENERIC_MMU_GATHER
-
#ifndef CONFIG_HAVE_MMU_GATHER_NO_GATHER
static bool tlb_next_batch(struct mmu_gather *tlb)
@@ -109,8 +107,6 @@ void tlb_flush_mmu(struct mmu_gather *tl
tlb_flush_mmu_free(tlb);
}
-#endif /* HAVE_GENERIC_MMU_GATHER */
-
#ifdef CONFIG_HAVE_RCU_TABLE_FREE
/*