Date: Thu, 3 Aug 2017 07:28:54 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r321977 - in stable/11/sys: kern sys Message-ID: <201708030728.v737SsZd090213@repo.freebsd.org>
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Author: kib Date: Thu Aug 3 07:28:54 2017 New Revision: 321977 URL: https://svnweb.freebsd.org/changeset/base/321977 Log: MFC r321625: Make the number of children for pctrie node available outside subr_pctrie.c. Modified: stable/11/sys/kern/subr_pctrie.c stable/11/sys/sys/pctrie.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/subr_pctrie.c ============================================================================== --- stable/11/sys/kern/subr_pctrie.c Thu Aug 3 07:20:19 2017 (r321976) +++ stable/11/sys/kern/subr_pctrie.c Thu Aug 3 07:28:54 2017 (r321977) @@ -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: stable/11/sys/sys/pctrie.h ============================================================================== --- stable/11/sys/sys/pctrie.h Thu Aug 3 07:20:19 2017 (r321976) +++ stable/11/sys/sys/pctrie.h Thu Aug 3 07:28:54 2017 (r321977) @@ -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_ */
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