diff options
| author |   Damjan Marion <damarion@cisco.com> | 2018-11-07 17:55:26 +0100 |
|---|---|---|
| committer | Damjan Marion <damarion@cisco.com> | 2018-11-07 17:55:28 +0100 |
| commit | 54e8e39a5284917efab8fd6d7d92e589d4a911a4 (patch) | |
| tree | 86d572f92e8646edb3803a5f0f9398b2cf179fb4 /src/vppinfra/pmalloc.c | |
| parent | 232b2d55807cfdb89bbad6fc985bd2d94bb2f22a (diff) | |
pmalloc: fix shared mappings
Change-Id: I6782544d5ee0a66b1a027874b23574416093ca92
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vppinfra/pmalloc.c')
| -rw-r--r-- | src/vppinfra/pmalloc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/vppinfra/pmalloc.c b/src/vppinfra/pmalloc.c index a881a65310a..46ccd7f6efc 100644 --- a/src/vppinfra/pmalloc.c +++ b/src/vppinfra/pmalloc.c @@ -290,7 +290,7 @@ pmalloc_map_pages (clib_pmalloc_main_t * pm, clib_pmalloc_arena_t * a, return 0; } - mmap_flags = MAP_FIXED | MAP_ANONYMOUS; + mmap_flags = MAP_FIXED; if ((pm->flags & CLIB_PMALLOC_F_NO_PAGEMAP) == 0) mmap_flags |= MAP_LOCKED; @@ -307,10 +307,12 @@ pmalloc_map_pages (clib_pmalloc_main_t * pm, clib_pmalloc_arena_t * a, pm->error = clib_mem_create_fd ((char *) a->name, &a->fd); if (a->fd == -1) goto error; + if ((ftruncate (a->fd, size)) == -1) + goto error; } else { - mmap_flags |= MAP_PRIVATE; + mmap_flags |= MAP_PRIVATE | MAP_ANONYMOUS; a->fd = -1; } |