DMA-BUF debug checks
configname: CONFIG_DMABUF_DEBUG
Linux Kernel Configuration
└─>Device Drivers
└─>DMABUF options
└─>DMA-BUF debug checks
In linux kernel since version 5.2 (release Date: 2019-07-07)
This option enables additional checks for DMA-BUF importers and
exporters. Specifically it validates that importers do not peek at the
underlying struct page when they import a buffer.
exporters. Specifically it validates that importers do not peek at the
underlying struct page when they import a buffer.