summaryrefslogtreecommitdiff
path: root/arch/um/os-Linux/mem.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/os-Linux/mem.c')
-rw-r--r--arch/um/os-Linux/mem.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 4203681e508d..82b874580f63 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -20,7 +20,13 @@
#include <sys/param.h>
+/* Modified by which_tmpdir, which is called during early boot */
static char *default_tmpdir = "/tmp";
+
+/*
+ * Modified when creating the physical memory file and when checking
+ * the tmp filesystem for usability, both happening during early boot.
+ */
static char *tempdir = NULL;
static void __init find_tempdir(void)
@@ -83,6 +89,7 @@ static int next(int fd, char *buf, int size, char c)
return 1;
}
+/* which_tmpdir is called only during early boot */
static int checked_tmpdir = 0;
/* Look for a tmpfs mounted at /dev/shm. I couldn't find a cleaner