[PATCH] net/gve: Allocate qpl pages using malloc if memzone allocation fails

[Stephen Hemminger]

On Wed, 18 Dec 2024 15:46:35 -0800
Joshua Washington <joshwash at google.com> wrote:

> From: Praveen Kaligineedi <pkaligineedi at google.com>
> 
> Allocating QPL for an RX queue might fail if enough contiguous IOVA
> memory cannot be allocated. However, the only requirement for QPL
> for RX is that each 4K buffer be IOVA contiguous, not the entire
> QPL. Therefore, use malloc to allocate 4K buffers if the allocation
> using memzone fails.
> 
> Signed-off-by: Praveen Kaligineedi <pkaligineedi at google.com>
> Reviewed-by: Joshua Washington <joshwash at google.com>
> ---

Why keep the memzone code? rte_malloc and memzone are both coming from
huge pages. Is there any advantage to memzone for what you are doing?

Better to not have two potential allocation paths to test.