From f250179b4ea989c26d99268a362d57a8a7136a1f Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 2 Feb 2010 08:51:44 +0100
Subject: shm: explicitly mark shm seg for MAP_NORESERVE to request
 overcommiting no matter what

---
 src/pulsecore/shm.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/pulsecore/shm.c')

diff --git a/src/pulsecore/shm.c b/src/pulsecore/shm.c
index fbf777a4..29849d57 100644
--- a/src/pulsecore/shm.c
+++ b/src/pulsecore/shm.c
@@ -154,7 +154,11 @@ int pa_shm_create_rw(pa_shm *m, size_t size, pa_bool_t shared, mode_t mode) {
             goto fail;
         }
 
-        if ((m->ptr = mmap(NULL, PA_PAGE_ALIGN(m->size), PROT_READ|PROT_WRITE, MAP_SHARED, fd, (off_t) 0)) == MAP_FAILED) {
+#ifndef MAP_NORESERVE
+#define MAP_NORESERVE 0
+#endif
+
+        if ((m->ptr = mmap(NULL, PA_PAGE_ALIGN(m->size), PROT_READ|PROT_WRITE, MAP_SHARED|MAP_NORESERVE, fd, (off_t) 0)) == MAP_FAILED) {
             pa_log("mmap() failed: %s", pa_cstrerror(errno));
             goto fail;
         }
-- 
cgit