1 files changed, 5 insertions, 23 deletions

diff --git a/src/lib/libc/stdlib/malloc.c b/src/lib/libc/stdlib/malloc.c
index cad8e5d6a1..f067dd1f37 100644
--- a/src/lib/libc/stdlib/malloc.c
+++ b/src/lib/libc/stdlib/malloc.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: malloc.c,v 1.297 2024/09/20 02:00:46 jsg Exp $        */
+/*      $OpenBSD: malloc.c,v 1.300 2025/10/23 18:49:46 miod Exp $       */
 /*
  * Copyright (c) 2008, 2010, 2011, 2016, 2023 Otto Moerbeek <otto@drijf.net>
  * Copyright (c) 2012 Matthew Dempsky <matthew@openbsd.org>
@@ -31,7 +31,6 @@
 #include <sys/queue.h>
 #include <sys/mman.h>
 #include <sys/sysctl.h>
-#include <uvm/uvmexp.h>
 #include <errno.h>
 #include <stdarg.h>
 #include <stdint.h>
@@ -264,7 +263,8 @@ static union {
                 __attribute__((section(".openbsd.mutable")));
 #define mopts   malloc_readonly.mopts
 
-char            *malloc_options;        /* compile-time options */
+/* compile-time options */
+const char *const malloc_options __attribute__((weak));
 
 static __dead void wrterror(struct dir_info *d, char *msg, ...)
     __attribute__((__format__ (printf, 2, 3)));
@@ -501,7 +501,8 @@ omalloc_parseopt(char opt)
 static void
 omalloc_init(void)
 {
-        char *p, *q, b[16];
+        const char *p;
+        char *q, b[16];
         int i, j;
         const int mib[2] = { CTL_VM, VM_MALLOC_CONF };
         size_t sb;
@@ -1090,24 +1091,6 @@ err:
         return NULL;
 }
 
-#if defined(__GNUC__) && __GNUC__ < 4
-static inline unsigned int
-lb(u_int x)
-{
-#if defined(__m88k__)
-        __asm__ __volatile__ ("ff1 %0, %0" : "=r" (x) : "0" (x));
-        return x;
-#else
-        /* portable version */
-        unsigned int count = 0;
-        while ((x & (1U << (sizeof(int) * CHAR_BIT - 1))) == 0) {
-                count++;
-                x <<= 1;
-        }
-        return (sizeof(int) * CHAR_BIT - 1) - count;
-#endif
-}
-#else
 /* using built-in function version */
 static inline unsigned int
 lb(u_int x)
@@ -1115,7 +1098,6 @@ lb(u_int x)
         /* I need an extension just for integer-length (: */
         return (sizeof(int) * CHAR_BIT - 1) - __builtin_clz(x);
 }
-#endif
 
 /* https://pvk.ca/Blog/2015/06/27/linear-log-bucketing-fast-versatile-simple/
    via Tony Finch */