The patch titled
mm: __tlb_remove_page() check the correct batch
has been added to the -mm tree. Its filename is
mm-__tlb_remove_page-checks-correct-batch.patch
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------------------------------------------------------
Subject: mm: __tlb_remove_page() check the correct batch
From: Shaohua Li <shaohua.li@xxxxxxxxx>
__tlb_remove_page() switches to a new batch page, but still checks space
in the old batch. This check always fails, and causes a forced tlb flush.
Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx>
Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory.c | 1 +
1 file changed, 1 insertion(+)
diff -puN mm/memory.c~mm-__tlb_remove_page-checks-correct-batch mm/memory.c
--- a/mm/memory.c~mm-__tlb_remove_page-checks-correct-batch
+++ a/mm/memory.c
@@ -305,6 +305,7 @@ int __tlb_remove_page(struct mmu_gather
if (batch->nr == batch->max) {
if (!tlb_next_batch(tlb))
return 0;
+ batch = tlb->active;
}
VM_BUG_ON(batch->nr > batch->max);
_
Patches currently in -mm which might be from shaohua.li@xxxxxxxxx are
mm-__tlb_remove_page-checks-correct-batch.patch
linux-next.patch
tmpfs-simplify-prealloc_page.patch
intel_idle-fix-api-misuse.patch
intel_idle-disable-auto_demotion-for-hotplugged-cpus.patch
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