mm/tlb: Remove tlb_remove_table() non-concurrent condition

[mirror_ubuntu-bionic-kernel.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index c5928cda77482e9936cb8b1fd369ce4ed43e2a2b..b991e87d0bf1c7069de09680abd7961a7cf62170 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -376,15 +376,6 @@ void tlb_remove_table(struct mmu_gather *tlb, void *table)
 {
        struct mmu_table_batch **batch = &tlb->batch;
 
-       /*
-        * When there's less then two users of this mm there cannot be a
-        * concurrent page-table walk.
-        */
-       if (atomic_read(&tlb->mm->mm_users) < 2) {
-               __tlb_remove_table(table);
-               return;
-       }
-
        if (*batch == NULL) {
                *batch = (struct mmu_table_batch *)__get_free_page(GFP_NOWAIT | __GFP_NOWARN);
                if (*batch == NULL) {