xen/include: import sizeof_field() macro from Linux stddef.h
authorPaul Durrant <pdurrant@amazon.com>
Wed, 25 Nov 2020 13:06:27 +0000 (14:06 +0100)
committerJan Beulich <jbeulich@suse.com>
Wed, 25 Nov 2020 13:06:27 +0000 (14:06 +0100)
commit758fae24d7b90fcfa7dffbffb5a5cab274caf3fc
tree4871ed40ce3e1730ef7f4268115963aa5ab42e8b
parent1e6d7bd585232c2526590a348871c40d5b384ac7
xen/include: import sizeof_field() macro from Linux stddef.h

Co-locate it with the definition of offsetof() (since this is also in stddef.h
in the Linux kernel source). This macro will be needed in a subsequent patch.

Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
xen/include/xen/compiler.h