Re: [RFC PATCH net-next v1 2/4] net: introduce abstraction for network memory
flat view
From: Jakub Kicinski <kuba@kernel.org>
Date: 2023-12-16 02:52:04
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On Wed, 13 Dec 2023 18:05:25 -0800 Mina Almasry wrote:
quoted hunk ↗ jump to hunk
+struct netmem { + union { + struct page page; + + /* Stub to prevent compiler implicitly converting from page* + * to netmem_t* and vice versa. + * + * Other memory type(s) net stack would like to support + * can be added to this union. + */ + void *addr; + }; +};
My mind went to something like: typedef unsigned long __bitwise netmem_ref; instead. struct netmem does not exist, it's a handle which has to be converted to a real type using a helper.