xnu-7195.50.7.100.1.tar.gz

[apple/xnu.git] / bsd / sys / param.h

diff --git a/bsd/sys/param.h b/bsd/sys/param.h
index ca57a6725c0655dd8be4f8946880e038612a3397..3117b36a650738bf4613fb5a142d5a61b6b14bcc 100644 (file)
--- a/bsd/sys/param.h
+++ b/bsd/sys/param.h
@@ -207,10 +207,10 @@
 #define MAXSYMLINKS     32
 
 /* Bit map related macros. */
-#define setbit(a, i)     (((char *)(a))[(i)/NBBY] |= 1<<((i)%NBBY))
-#define clrbit(a, i)     (((char *)(a))[(i)/NBBY] &= ~(1<<((i)%NBBY)))
-#define isset(a, i)      (((char *)(a))[(i)/NBBY] & (1<<((i)%NBBY)))
-#define isclr(a, i)      ((((char *)(a))[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
+#define setbit(a, i)     (((unsigned char *)(a))[(i)/NBBY] |= 1u<<((i)%NBBY))
+#define clrbit(a, i)     (((unsigned char *)(a))[(i)/NBBY] &= ~(1u<<((i)%NBBY)))
+#define isset(a, i)      (((unsigned char *)(a))[(i)/NBBY] & (1u<<((i)%NBBY)))
+#define isclr(a, i)      ((((unsigned char *)(a))[(i)/NBBY] & (1u<<((i)%NBBY))) == 0)
 
 /* Macros for counting and rounding. */
 #ifndef howmany
@@ -228,24 +228,6 @@
 #define MAX(a, b) (((a)>(b))?(a):(b))
 #endif  /* MAX */
 
-/*
- * Constants for setting the parameters of the kernel memory allocator.
- *
- * 2 ** MINBUCKET is the smallest unit of memory that will be
- * allocated. It must be at least large enough to hold a pointer.
- *
- * Units of memory less or equal to MAXALLOCSAVE will permanently
- * allocate physical memory; requests for these size pieces of
- * memory are quite fast. Allocations greater than MAXALLOCSAVE must
- * always allocate and free physical memory; requests for these
- * size allocations should be done infrequently as they will be slow.
- *
- * Constraints: CLBYTES <= MAXALLOCSAVE <= 2 ** (MINBUCKET + 14), and
- * MAXALLOCSIZE must be a power of two.
- */
-#define MINBUCKET       4               /* 4 => min allocation of 16 bytes */
-#define MAXALLOCSAVE    (2 * CLBYTES)
-
 /*
  * Scale factor for scaled integers used to count %cpu time and load avgs.
  *