diff options
| author |   art <art@openbsd.org> | 2001-05-10 16:14:19 +0000 |
|---|---|---|
| committer | art <art@openbsd.org> | 2001-05-10 16:14:19 +0000 |
| commit | f1f8154c8baed1c7bf46aa3a32e54e93dde27d06 (patch) | |
| tree | ea736e7398b032c67edaedb273b62af7854d5568 /lib/libc/stdlib/malloc.c | |
| parent | Slightly better explaination of the advices (cut 'n paste from sys/mman.h is (diff) | |
| download | wireguard-openbsd-f1f8154c8baed1c7bf46aa3a32e54e93dde27d06.tar.xz wireguard-openbsd-f1f8154c8baed1c7bf46aa3a32e54e93dde27d06.zip | |
Use madvise(MADV_FREE) to allow the 'h' option.
(the code was already there, just not enabled).
Diffstat (limited to 'lib/libc/stdlib/malloc.c')
| -rw-r--r-- | lib/libc/stdlib/malloc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/libc/stdlib/malloc.c b/lib/libc/stdlib/malloc.c index ad5ce94d549..d9211e2641f 100644 --- a/lib/libc/stdlib/malloc.c +++ b/lib/libc/stdlib/malloc.c @@ -8,7 +8,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: malloc.c,v 1.40 2000/04/10 19:36:29 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: malloc.c,v 1.41 2001/05/10 16:14:19 art Exp $"; #endif /* LIBC_SCCS and not lint */ /* @@ -243,7 +243,7 @@ static int malloc_silent; /* always realloc ? */ static int malloc_realloc; -#ifdef __FreeBSD__ +#if defined(__FreeBSD__) || (defined(__OpenBSD__) && defined(MADV_FREE)) /* pass the kernel a hint on free pages ? */ static int malloc_hint; #endif @@ -547,7 +547,7 @@ malloc_init () case 'd': malloc_stats = 0; break; case 'D': malloc_stats = 1; break; #endif /* MALLOC_STATS */ -#ifdef __FreeBSD__ +#if defined(__FreeBSD__) || (defined(__OpenBSD__) && defined(MADV_FREE)) case 'h': malloc_hint = 0; break; case 'H': malloc_hint = 1; break; #endif /* __FreeBSD__ */ @@ -1004,7 +1004,7 @@ free_pages(ptr, index, info) if (malloc_junk) memset(ptr, SOME_JUNK, l); -#ifdef __FreeBSD__ +#if defined(__FreeBSD__) || (defined(__OpenBSD__) && defined(MADV_FREE)) if (malloc_hint) madvise(ptr, l, MADV_FREE); #endif |