Re: [PATCH v3 6/9] iommu/vt-d: Use put_pages_list

[Lu Baolu]

Hi Robin,

On 12/17/21 11:31 PM, Robin Murphy wrote:
> From: "Matthew Wilcox (Oracle)"<willy@xxxxxxxxxxxxx>
>
> page->freelist is for the use of slab.  We already have the ability
> to free a list of pages in the core mm, but it requires the use of a
> list_head and for the pages to be chained together through page->lru.
> Switch the Intel IOMMU and IOVA code over to using free_pages_list().
>
> Signed-off-by: Matthew Wilcox (Oracle)<willy@xxxxxxxxxxxxx>
> [rm: split from original patch, cosmetic tweaks, fix fq entries]
> Signed-off-by: Robin Murphy<robin.murphy@xxxxxxx>

I had boot tests on my development machines with both strict and lazy
flushing modes. I didn't see any regression, the disk i/o and network
i/o worked good for me.

For changes in iommu/vt-d:

Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

Best regards,
baolu