Li RongQing wrote:
> when changes the rx/tx ring to 4096, kzalloc may fail due to
> a temporary shortage on slab entries.
>
> so using kvmalloc to allocate this memory as there is no need
> that this memory area is physical continuously.
>
> and using __GFP_RETRY_MAYFAIL to allocate from kmalloc
when changes the rx/tx ring to 4096, kzalloc may fail due to
a temporary shortage on slab entries.
so using kvmalloc to allocate this memory as there is no need
that this memory area is physical continuously.
and using __GFP_RETRY_MAYFAIL to allocate from kmalloc as
far as possible, which can red