Date: Wed, 18 Dec 2019 01:56:39 +0000 (UTC) From: Mark Johnston <markj@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r355874 - head/sys/vm Message-ID: <201912180156.xBI1udpn001525@repo.freebsd.org>
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Author: markj Date: Wed Dec 18 01:56:38 2019 New Revision: 355874 URL: https://svnweb.freebsd.org/changeset/base/355874 Log: Fix the aflag shift on big-endian platforms after r355672. The structure offset is zero regardless of endianness. Reported by: brooks Pointy hat: markj Modified: head/sys/vm/vm_page.h Modified: head/sys/vm/vm_page.h ============================================================================== --- head/sys/vm/vm_page.h Wed Dec 18 01:37:00 2019 (r355873) +++ head/sys/vm/vm_page.h Wed Dec 18 01:56:38 2019 (r355874) @@ -763,7 +763,11 @@ void vm_page_assert_pga_writeable(vm_page_t m, uint16_ #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.
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