From: Yishai Hadas <yish...@mellanox.com>
Commit bc3e53f68 "mm: distinguish between mlocked and pinned pages"
introduced a separate counter for pinned pages and used it over
the IB stack. Specifically, in ib_umem_get the pinned counter
is incremented, but ib_umem_release wrongly decrements the
locked counter, fix that.
Cc: Christoph Lameter <c...@linux.com>
Signed-off-by: Yishai Hadas <yish...@mellanox.com>
---
drivers/infiniband/core/umem.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 71f0c0f..a841123 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -269,7 +269,7 @@ void ib_umem_release(struct ib_umem *umem)
} else
down_write(&mm->mmap_sem);
- current->mm->locked_vm -= diff;
+ current->mm->pinned_vm -= diff;
up_write(&mm->mmap_sem);
mmput(mm);
kfree(umem);
--
1.7.1
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