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Message-Id: <20241022162359.2713094-8-ap420073@gmail.com>
Date: Tue, 22 Oct 2024 16:23:58 +0000
From: Taehee Yoo <ap420073@...il.com>
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Subject: [PATCH net-next v4 7/8] net: netmem: add netmem_is_pfmemalloc() helper function
The netmem_is_pfmemalloc() is a netmem version of page_is_pfmemalloc().
Tested-by: Stanislav Fomichev <sdf@...ichev.me>
Suggested-by: Mina Almasry <almasrymina@...gle.com>
Signed-off-by: Taehee Yoo <ap420073@...il.com>
---
v4:
- Patch added.
include/net/netmem.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/net/netmem.h b/include/net/netmem.h
index 8a6e20be4b9d..49ae2bf05362 100644
--- a/include/net/netmem.h
+++ b/include/net/netmem.h
@@ -171,4 +171,12 @@ static inline unsigned long netmem_get_dma_addr(netmem_ref netmem)
return __netmem_clear_lsb(netmem)->dma_addr;
}
+static inline bool netmem_is_pfmemalloc(netmem_ref netmem)
+{
+ if (netmem_is_net_iov(netmem))
+ return false;
+
+ return page_is_pfmemalloc(netmem_to_page(netmem));
+}
+
#endif /* _NET_NETMEM_H */
--
2.34.1
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