net: add a new sockptr_t type

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Add a uptr_t type that can hold a pointer to either a user or kernel
memory region, and simply helpers to copy to and from it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Christoph Hellwig 2020-07-23 08:08:46 +02:00 • committed by David S. Miller

parent d200cf624c

commit ba423fdaa5

1 changed files with 104 additions and 0 deletions

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104

include/linux/sockptr.h

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