kcm: do not sense pfmemalloc status in kcm_sendpage()
authorEric Dumazet <edumazet@google.com>
Thu, 27 Oct 2022 04:06:37 +0000 (04:06 +0000)
committerJakub Kicinski <kuba@kernel.org>
Thu, 27 Oct 2022 18:25:13 +0000 (11:25 -0700)
Similar to changes done in TCP in blamed commit.
We should not sense pfmemalloc status in sendpage() methods.

Fixes: 326140063946 ("tcp: TX zerocopy should not sense pfmemalloc status")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20221027040637.1107703-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/kcm/kcmsock.c

index 63e32f1..a500422 100644 (file)
@@ -839,7 +839,7 @@ static ssize_t kcm_sendpage(struct socket *sock, struct page *page,
        }
 
        get_page(page);
-       skb_fill_page_desc(skb, i, page, offset, size);
+       skb_fill_page_desc_noacc(skb, i, page, offset, size);
        skb_shinfo(skb)->flags |= SKBFL_SHARED_FRAG;
 
 coalesced: