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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-08-11 23:24:46 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-08-11 23:24:46 -0700 |
| commit | 4aa31b4b61e4985e719352c329c3948d1932cb64 (patch) | |
| tree | 251d6d11d1e5c9c09adc3e0eb1715c56b2e16c95 /drivers/vfio/vfio_iommu_type1.c | |
| parent | Input: remove w90x900 touchscreen driver (diff) | |
| parent | Linux 5.3-rc4 (diff) | |
| download | linux-dev-4aa31b4b61e4985e719352c329c3948d1932cb64.tar.xz linux-dev-4aa31b4b61e4985e719352c329c3948d1932cb64.zip | |
Merge tag 'v5.3-rc4' into next
Sync up with mainline to bring in device_property_count_u32 andother
newer APIs.
Diffstat (limited to 'drivers/vfio/vfio_iommu_type1.c')
| -rw-r--r-- | drivers/vfio/vfio_iommu_type1.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index add34adfadc7..054391f30fa8 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -272,21 +272,8 @@ static int vfio_lock_acct(struct vfio_dma *dma, long npage, bool async) ret = down_write_killable(&mm->mmap_sem); if (!ret) { - if (npage > 0) { - if (!dma->lock_cap) { - unsigned long limit; - - limit = task_rlimit(dma->task, - RLIMIT_MEMLOCK) >> PAGE_SHIFT; - - if (mm->locked_vm + npage > limit) - ret = -ENOMEM; - } - } - - if (!ret) - mm->locked_vm += npage; - + ret = __account_locked_vm(mm, abs(npage), npage > 0, dma->task, + dma->lock_cap); up_write(&mm->mmap_sem); } |