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
