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Fix the aflag shift on big-endian platforms after r355672.

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The structure offset is zero regardless of endianness.

Reported by:	brooks
Pointy hat:	markj
This commit is contained in:
Mark Johnston 2019-12-18 01:56:38 +00:00
parent 55b7a0e1e7
commit c2f22e9790
1 changed files with 5 additions and 1 deletions
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6
sys/vm/vm_page.h
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@ -763,7 +763,11 @@ void vm_page_assert_pga_writeable(vm_page_t m, uint16_t bits);
#define VM_PAGE_ASSERT_PGA_WRITEABLE(m, bits) (void)0
#endif
#define VM_PAGE_AFLAG_SHIFT (__offsetof(vm_page_astate_t, flags) * NBBY)
#if BYTE_ORDER == BIG_ENDIAN
#define VM_PAGE_AFLAG_SHIFT 16
#else
#define VM_PAGE_AFLAG_SHIFT 0
#endif
/*
* Load a snapshot of a page's 32-bit atomic state.