From a6bd733db995ce9269e7654c67d2e57256a8d7c2 Mon Sep 17 00:00:00 2001 From: Jeff Roberson Date: Mon, 2 Dec 2019 22:44:34 +0000 Subject: [PATCH] Use a precise bit count for the slab free items in UMA. This significantly shrinks embedded slab structures. Reviewed by: markj, rlibby (prior version) Differential Revision: https://reviews.freebsd.org/D22584 --- newlib/libc/sys/rtems/include/sys/bitset.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/newlib/libc/sys/rtems/include/sys/bitset.h b/newlib/libc/sys/rtems/include/sys/bitset.h index cd70fd4f0..d119c23ca 100644 --- a/newlib/libc/sys/rtems/include/sys/bitset.h +++ b/newlib/libc/sys/rtems/include/sys/bitset.h @@ -249,10 +249,11 @@ #define BITSET_FSET(n) \ [ 0 ... ((n) - 1) ] = (-1L) +#define BITSET_SIZE(_s) (__bitset_words((_s)) * sizeof(long)) + /* * Dynamically allocate a bitset. */ -#define BITSET_ALLOC(_s, mt, mf) \ - malloc(__bitset_words(_s) * sizeof(long), mt, (mf)) +#define BITSET_ALLOC(_s, mt, mf) malloc(BITSET_SIZE((_s)), mt, (mf)) #endif /* !_SYS_BITSET_H_ */