Message ID | ad5312b52c49a412710aa346c835c6052ab2e0ae.1531477505.git.anatoly.burakov@intel.com (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show |
Series | Support running DPDK without hugetlbfs mountpoint | expand |
Context | Check | Description |
---|---|---|
ci/checkpatch | success | coding style OK |
ci/Intel-compilation | success | Compilation OK |
diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c index 5d3c8831b..ddfa8b133 100644 --- a/lib/librte_eal/linuxapp/eal/eal_memory.c +++ b/lib/librte_eal/linuxapp/eal/eal_memory.c @@ -521,7 +521,18 @@ static void * create_shared_memory(const char *filename, const size_t mem_size) { void *retval; - int fd = open(filename, O_CREAT | O_RDWR, 0666); + int fd; + + /* if no shared files mode is used, create anonymous memory instead */ + if (internal_config.no_shconf) { + retval = mmap(NULL, mem_size, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + if (retval == MAP_FAILED) + return NULL; + return retval; + } + + fd = open(filename, O_CREAT | O_RDWR, 0666); if (fd < 0) return NULL; if (ftruncate(fd, mem_size) < 0) {
Do not create a shared hugepage data file if we were asked to not create any shared files. Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com> --- Notes: RFC->v1: - Use --no-shconf only lib/librte_eal/linuxapp/eal/eal_memory.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)