Open the memory mapped file with the O_TMPFILE flag when available. Signed-off-by: Mickaël Salaün <m...@digikod.net> Cc: Jeff Dike <jd...@addtoit.com> Cc: Richard Weinberger <rich...@nod.at> Acked-by: Tristan Schmelcher <tschmelc...@google.com> --- arch/um/os-Linux/mem.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c index 840d573..8b17676 100644 --- a/arch/um/os-Linux/mem.c +++ b/arch/um/os-Linux/mem.c @@ -106,6 +106,17 @@ static int __init make_tempfile(const char *template) } } +#ifdef O_TMPFILE + fd = open(tempdir, O_CLOEXEC | O_RDWR | O_EXCL | O_TMPFILE, 0700); + /* + * If the running system does not support O_TMPFILE flag then retry + * without it. + */ + if (fd != -1 || (errno != EINVAL && errno != EISDIR && + errno != EOPNOTSUPP)) + return fd; +#endif + tempname = malloc(strlen(tempdir) + strlen(template) + 1); if (tempname == NULL) return -1; -- 2.6.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/