Subject: Re: [PATCH v2 0/4] bugfix: Introduce sendpages_ok() to check sendpage_ok() on contiguous pages

From: Jakub Kicinski <[email-masked]>
Date: Sat, 1 Jun 2024 15:34:30 -0700

On Thu, 30 May 2024 17:24:10 +0300 Ofir Gal wrote:
> skbuff: before sendpage_ok - i: 0. page: 0x654eccd7 (pfn: 120755)
> skbuff: before sendpage_ok - i: 1. page: 0x1666a4da (pfn: 120756)
> skbuff: before sendpage_ok - i: 2. page: 0x54f9f140 (pfn: 120757)

noob question, how do you get 3 contiguous pages, the third of which 
is slab? is_slab doesn't mean what I think it does, or we got extremely
lucky with kmalloc?