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Diffstat (limited to 'NOTES')
-rw-r--r-- | NOTES | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -32,7 +32,8 @@ DMA Access Synchronization KMEM_FLAG_EXCLUSIVE - prevents multiple processes mmaping the buffer simultaneously. This is used to prevent multiple processes use the same - DMA engine at the same time. + DMA engine at the same time. When passed to kmem_free, allows to clean + buffers with lost clients even for shared buffers. KMEM_FLAG_REUSE - requires reuse of existing buffer. If reusable buffer is found (non-reusable buffers, i.e. allocated without KMEM_FLAG_REUSE are |