On Sat, Apr 17, 2021 at 2:08 AM Xie He wrote:
>
> When an skb is allocated by "__netdev_alloc_skb" in "net/core/skbuff.c",
> if "sk_memalloc_socks()" is true, and if there's not sufficient memory,
> the skb would be allocated using emergency memory reserves. This kind of
> skbs are called
When an skb is allocated by "__netdev_alloc_skb" in "net/core/skbuff.c",
if "sk_memalloc_socks()" is true, and if there's not sufficient memory,
the skb would be allocated using emergency memory reserves. This kind of
skbs are called pfmemalloc skbs.
pfmemalloc skbs must be specially handled in
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