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authorSowmini Varadhan <sowmini.varadhan@oracle.com>2018-02-15 10:49:32 -0800
committerDavid S. Miller <davem@davemloft.net>2018-02-16 16:04:16 -0500
commit6f89dbce8e1134458de8a8e376acaaca4eee602e (patch)
tree4db6ba33d7bd7bc250b69d86a864b57666bbc75a /include/linux/skbuff.h
parentee99b2d8bf4ad6d03046a8c2f25bad7cfd9de64a (diff)
skbuff: export mm_[un]account_pinned_pages for other modules
RDS would like to use the helper functions for managing pinned pages added by Commit a91dbff551a6 ("sock: ulimit on MSG_ZEROCOPY pages") Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 5ebc0f869720..b1cc38af53e1 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -466,6 +466,9 @@ struct ubuf_info {
#define skb_uarg(SKB) ((struct ubuf_info *)(skb_shinfo(SKB)->destructor_arg))
+int mm_account_pinned_pages(struct mmpin *mmp, size_t size);
+void mm_unaccount_pinned_pages(struct mmpin *mmp);
+
struct ubuf_info *sock_zerocopy_alloc(struct sock *sk, size_t size);
struct ubuf_info *sock_zerocopy_realloc(struct sock *sk, size_t size,
struct ubuf_info *uarg);