Author: jhb Date: Wed Sep 27 23:15:33 2017 New Revision: 324072 URL: https://svnweb.freebsd.org/changeset/base/324072
Log: Add UMA_ALIGNOF(). This is a wrapper around _Alignof() that sets the alignment for a zone to the alignment required by a given type. This allows the compiler to determine the proper alignment rather than having the programmer try to guess. Discussed on: arch@ MFC after: 1 week Sponsored by: DARPA / AFRL Modified: head/sys/vm/uma.h Modified: head/sys/vm/uma.h ============================================================================== --- head/sys/vm/uma.h Wed Sep 27 19:48:34 2017 (r324071) +++ head/sys/vm/uma.h Wed Sep 27 23:15:33 2017 (r324072) @@ -296,6 +296,7 @@ uma_zone_t uma_zcache_create(char *name, int size, uma #define UMA_ALIGN_SHORT (sizeof(short) - 1) /* "" short */ #define UMA_ALIGN_CHAR (sizeof(char) - 1) /* "" char */ #define UMA_ALIGN_CACHE (0 - 1) /* Cache line size align */ +#define UMA_ALIGNOF(type) (_Alignof(type) - 1) /* Alignment fit for 'type' */ /* * Destroys an empty uma zone. If the zone is not empty uma complains loudly. _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
