diff options
| author | Lennart Poettering <lennart@poettering.net> | 2010-02-02 08:51:44 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2010-02-02 09:01:04 +0100 |
| commit | f250179b4ea989c26d99268a362d57a8a7136a1f (patch) | |
| tree | 30bd7968e19fc69d043a708ce0c48ef304f116f0 /src/pulsecore/shm.c | |
| parent | ea8927f1d47be101a1f64b2f87fd6e527ff76dbe (diff) | |
shm: explicitly mark shm seg for MAP_NORESERVE to request overcommiting no matter what
Diffstat (limited to 'src/pulsecore/shm.c')
| -rw-r--r-- | src/pulsecore/shm.c | 6 |
1 files changed, 5 insertions, 1 deletions
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; } |