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$NetBSD: patch-af,v 1.2 2010/03/14 14:19:19 martin Exp $
--- src/xfermem.c.orig 2009-12-05 21:26:24.000000000 +0100
+++ src/xfermem.c 2010-02-06 20:14:14.000000000 +0100
@@ -37,6 +37,13 @@
#ifdef HAVE_MMAP
# ifdef MAP_ANON
+
+#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104030000)
+ if(madvise((void *)xf, (regsize - sizeof(txfermem)),
+ MADV_SEQUENTIAL) < 0)
+ fprintf(stderr,"madvise failed, continuing anyway...\n");
+#endif
+
if ((*xf = (txfermem *) mmap(0, regsize, PROT_READ | PROT_WRITE,
MAP_ANON | MAP_SHARED, -1, 0)) == (txfermem *) -1) {
perror ("mmap()");
@@ -92,7 +99,13 @@
if(!xf)
return;
#ifdef HAVE_MMAP
- munmap ((caddr_t) xf, xf->size + xf->metasize + sizeof(txfermem));
+ munmap ((void *) xf, xf->size + xf->metasize + sizeof(txfermem));
+
+#if defined(__NetBSD__) && (__NetBSD_Version__ >= 104030000)
+ if(madvise((void *)xf, (xf->size + xf->metasize), MADV_FREE) < 0)
+ fprintf(stderr,"madvise failed, continuing anyways..\n");
+#endif
+
#else
if (shmdt((void *) xf) == -1) {
perror ("shmdt()");
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