mm: disable drain TLB batching against CMA pages

It seems we have a chance to run zap_pte_range_tlb for a long time while preempt_disable. Disable this first. Bug: 256275234 Test: boot Change-Id: I9ee4f8c491db2621548d8e7325c919c2fade6aa1 Signed-off-by: Martin Liu <[email protected]>
celtare21 · Oct 31, 2022 · 079e607 · 079e607
1 parent 305a91b
commit 079e607
Showing 1 changed file with 0 additions and 12 deletions.
diff --git a/drivers/soc/google/vh/kernel/mm/vh_mm_init.c b/drivers/soc/google/vh/kernel/mm/vh_mm_init.c
@@ -63,18 +63,6 @@ static int vh_mm_init(void)
 			vh_pagevec_drain, NULL);
 	if (ret)
 		return ret;
-	ret = register_trace_android_vh_zap_pte_range_tlb_start(
-			vh_zap_pte_range_tlb_start, NULL);
-	if (ret)
-		return ret;
-	ret = register_trace_android_vh_zap_pte_range_tlb_force_flush(
-			vh_zap_pte_range_tlb_force_flush, NULL);
-	if (ret)
-		return ret;
-	ret = register_trace_android_vh_zap_pte_range_tlb_end(
-			vh_zap_pte_range_tlb_end, NULL);
-	if (ret)
-		return ret;
 	ret = register_trace_android_vh_skip_lru_disable(
 			vh_skip_lru_disable, NULL);
 	if (ret)