Author: kib Date: Thu Jul 27 16:40:14 2017 New Revision: 321625 URL: https://svnweb.freebsd.org/changeset/base/321625
Log: Make the number of children for pctrie node available outside subr_pctrie.c. Reviewed by: alc, markj Sponsored by: The FreeBSD Foundation MFC after: 1 week X-Differential revision: https://reviews.freebsd.org/D11435 Modified: head/sys/kern/subr_pctrie.c head/sys/sys/pctrie.h Modified: head/sys/kern/subr_pctrie.c ============================================================================== --- head/sys/kern/subr_pctrie.c Thu Jul 27 15:59:36 2017 (r321624) +++ head/sys/kern/subr_pctrie.c Thu Jul 27 16:40:14 2017 (r321625) @@ -58,18 +58,6 @@ __FBSDID("$FreeBSD$"); #include <ddb/ddb.h> #endif -/* - * These widths should allow the pointers to a node's children to fit within - * a single cache line. The extra levels from a narrow width should not be - * a problem thanks to path compression. - */ -#ifdef __LP64__ -#define PCTRIE_WIDTH 4 -#else -#define PCTRIE_WIDTH 3 -#endif - -#define PCTRIE_COUNT (1 << PCTRIE_WIDTH) #define PCTRIE_MASK (PCTRIE_COUNT - 1) #define PCTRIE_LIMIT (howmany(sizeof(uint64_t) * NBBY, PCTRIE_WIDTH) - 1) Modified: head/sys/sys/pctrie.h ============================================================================== --- head/sys/sys/pctrie.h Thu Jul 27 15:59:36 2017 (r321624) +++ head/sys/sys/pctrie.h Thu Jul 27 16:40:14 2017 (r321625) @@ -133,5 +133,18 @@ pctrie_is_empty(struct pctrie *ptree) return (ptree->pt_root == 0); } +/* + * These widths should allow the pointers to a node's children to fit within + * a single cache line. The extra levels from a narrow width should not be + * a problem thanks to path compression. + */ +#ifdef __LP64__ +#define PCTRIE_WIDTH 4 +#else +#define PCTRIE_WIDTH 3 +#endif + +#define PCTRIE_COUNT (1 << PCTRIE_WIDTH) + #endif /* _KERNEL */ #endif /* !_SYS_PCTRIE_H_ */ _______________________________________________ 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"
