diff options
| author |   Damjan Marion <damarion@cisco.com> | 2018-10-25 15:56:04 +0200 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2018-10-25 15:21:59 +0000 |
| commit | c04e2b06ed8d2038e42b663b9d24ebc8fb719893 (patch) | |
| tree | 6fffcb19a906b78c2f1867b7f40fb06395c26225 /src/vppinfra/pmalloc.h | |
| parent | dc8d35036f1d06193035ff4b6f161f2c1c17c35a (diff) | |
pmalloc: don't lock 4K pages if we don't have access to pagemap
Without pagemap access only way to do DMA to physmem is by
using IOMMU. In such case VFIO will take care for preventing
paging of such memory so we don't need to lock here.
Change-Id: Ica9c20659fba3ea3c96202eb5f7d29c43b313fa9
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vppinfra/pmalloc.h')
| -rw-r--r-- | src/vppinfra/pmalloc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/vppinfra/pmalloc.h b/src/vppinfra/pmalloc.h index 41b85e0c517..9cd652971a6 100644 --- a/src/vppinfra/pmalloc.h +++ b/src/vppinfra/pmalloc.h @@ -60,6 +60,10 @@ typedef struct typedef struct { + /* flags */ + u32 flags; +#define CLIB_PMALLOC_F_NO_PAGEMAP (1 << 0) + /* base VA address */ u8 *base; |