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Differential D41301

netlink: Align allocations on __max_align_t, not uint64_t.
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Authored by jhb on Aug 3 2023, 5:32 PM.
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rG9795f14ec40a: netlink: Align allocations on __max_align_t, not uint64_t.
Summary

uint64_t is not sufficient alignment for allocators on all platforms.
On a CHERI platform pointers require 16 byte alignment, but also if a
type contained a uint128_t or long double it would not be aligned
correctly either. C11 added max_align_t precisely to provide a
portable type for allocators to use.

Obtained from: CheriBSD
Sponsored by: DARPA

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sys/
netlink/
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sys/netlink/netlink_message_parser.h

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sys/netlink/netlink_snl.h

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