Date: Mon, 22 Mar 2010 22:39:32 +0000 (UTC) From: Kip Macy <kmacy@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r205487 - head/sys/vm Message-ID: <201003222239.o2MMdWZi061585@svn.freebsd.org>
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Author: kmacy Date: Mon Mar 22 22:39:32 2010 New Revision: 205487 URL: http://svn.freebsd.org/changeset/base/205487 Log: - enable alignment on amd64 only - only align pcpu caches and the volatile portion of uma_zone Modified: head/sys/vm/uma_int.h Modified: head/sys/vm/uma_int.h ============================================================================== --- head/sys/vm/uma_int.h Mon Mar 22 22:12:27 2010 (r205486) +++ head/sys/vm/uma_int.h Mon Mar 22 22:39:32 2010 (r205487) @@ -162,7 +162,11 @@ struct uma_hash { /* * align field or structure to cache line */ +#if defined(__amd64__) +#define UMA_ALIGN __aligned(CACHE_LINE_SIZE) +#else #define UMA_ALIGN +#endif /* * Structures for per cpu queues. @@ -173,7 +177,7 @@ struct uma_bucket { int16_t ub_cnt; /* Count of free items. */ int16_t ub_entries; /* Max items. */ void *ub_bucket[]; /* actual allocation storage */ -} UMA_ALIGN; +}; typedef struct uma_bucket * uma_bucket_t; @@ -330,7 +334,7 @@ struct uma_zone { * This HAS to be the last item because we adjust the zone size * based on NCPU and then allocate the space for the zones. */ - struct uma_cache uz_cpu[1] UMA_ALIGN; /* Per cpu caches */ + struct uma_cache uz_cpu[1]; /* Per cpu caches */ }; /*
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