Messages in this thread Patch in this message | | | Date | Thu, 27 Jul 2017 21:32:28 +0900 | From | Sergey Senozhatsky <> | Subject | [mmots] build error: mm: prevent racy access to tlb_flush_pending |
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Hello,
8c636138f497b36ae95f ("mm: prevent racy access to tlb_flush_pending") kills the build
kernel/fork.c: In function ‘mm_init’: kernel/fork.c:810:18: error: ‘struct mm_struct’ has no member named ‘tlb_flush_pending’; did you mean ‘tlb_flush_batched’? atomic_set(&mm->tlb_flush_pending, 0); ^~~~~~~~~~~~~~~~~ tlb_flush_batched
replacing clear_tlb_flush_pending() with a direct ->tlb_flush_pending access
@@ -807,7 +807,7 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p, mm_init_aio(mm); mm_init_owner(mm, p); mmu_notifier_mm_init(mm); - clear_tlb_flush_pending(mm); + atomic_set(&mm->tlb_flush_pending, 0);
doesn't work on on !CONFIG_NUMA_BALANCING && !CONFIG_COMPACTION systems.
-ss
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