On Thu, Apr 08, 2021 at 11:52:01AM -0700, Xie He wrote: > Hi Mel Gorman, > > I may have found a problem in pfmemalloc skb handling in > net/core/dev.c. I see there are "if" conditions checking for > "sk_memalloc_socks() && skb_pfmemalloc(skb)", and when the condition > is true, the skb is handled specially as a pfmemalloc skb, otherwise > it is handled as a normal skb. > > However, if "sk_memalloc_socks()" is false and "skb_pfmemalloc(skb)" > is true, the skb is still handled as a normal skb. Is this correct?
Under what circumstances do you expect sk_memalloc_socks() to be false and skb_pfmemalloc() to be true that would cause a problem? -- Mel Gorman SUSE Labs
