diff options
author | Jakub Kicinski <kuba@kernel.org> | 2024-07-03 04:59:33 +0300 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2024-07-03 04:59:33 +0300 |
commit | df18948d331eacc213cfc9e8ffc84a07dfd4dcd1 (patch) | |
tree | 79e9ad9c5d7d6b20615bd7c36719a96c0e9de179 /include/net/netmem.h | |
parent | ac26327635d643efe173e7460fa09eb39f0e5c54 (diff) | |
parent | 07c3cc51a0853986af0fc52d0544b1b67b391ea8 (diff) | |
download | linux-df18948d331eacc213cfc9e8ffc84a07dfd4dcd1.tar.xz |
Merge branch 'device-memory-tcp'
Prep patches for Device Memory TCP
Pick up a couple of prep patches for Device Memory TCP which
stand on their own.
Link: https://patch.msgid.link/20240628003253.1694510-1-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/netmem.h')
-rw-r--r-- | include/net/netmem.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/netmem.h b/include/net/netmem.h index d8b810245c1d..46cc9b89ac79 100644 --- a/include/net/netmem.h +++ b/include/net/netmem.h @@ -38,4 +38,19 @@ static inline netmem_ref page_to_netmem(struct page *page) return (__force netmem_ref)page; } +static inline int netmem_ref_count(netmem_ref netmem) +{ + return page_ref_count(netmem_to_page(netmem)); +} + +static inline unsigned long netmem_to_pfn(netmem_ref netmem) +{ + return page_to_pfn(netmem_to_page(netmem)); +} + +static inline netmem_ref netmem_compound_head(netmem_ref netmem) +{ + return page_to_netmem(compound_head(netmem_to_page(netmem))); +} + #endif /* _NET_NETMEM_H */ |