D25867.diff
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	Index: head/sys/riscv/include/pcpu.h
	===================================================================
	--- head/sys/riscv/include/pcpu.h
	+++ head/sys/riscv/include/pcpu.h
	@@ -48,7 +48,7 @@
	struct pmap pc_curpmap; / Currently active pmap */ \
	uint32_t pc_pending_ipis; /* IPIs pending to this CPU */ \
	uint32_t pc_hart; /* Hart ID */ \
	- char __pad[49]
	+ char __pad[56] /* Pad to factor of PAGE_SIZE */

	#ifdef _KERNEL

	Index: head/sys/riscv/include/pcpu_aux.h
	===================================================================
	--- head/sys/riscv/include/pcpu_aux.h
	+++ head/sys/riscv/include/pcpu_aux.h
	@@ -46,6 +46,9 @@
	* be a multiple of the size of struct pcpu.
	*/
	_Static_assert(PAGE_SIZE % sizeof(struct pcpu) == 0, "fix pcpu size");
	+_Static_assert(offsetof(struct pcpu, __pad) +
	+ sizeof(((struct pcpu *)0)->__pad) == sizeof(struct pcpu),
	+ "fix pcpu padding");

	extern struct pcpu __pcpu[];