在 2024/7/31 14:26, Huan Yang 写道:
The current udmabuf_folio contains a list_head and the corresponding
folio pointer, with a size of 24 bytes. udmabuf_folio uses kmalloc to
allocate memory.
However, kmalloc is a public pool, starting from 64 bytes. This means
that each udmabuf_folio allocation
The current udmabuf_folio contains a list_head and the corresponding
folio pointer, with a size of 24 bytes. udmabuf_folio uses kmalloc to
allocate memory.
However, kmalloc is a public pool, starting from 64 bytes. This means
that each udmabuf_folio allocation will waste 40 bytes.
Considering tha
