fs: allocate FILE table dynamically

Some systems are runnignfrom a very limited SRAM, but have a huge
malloc space in SDRAM. The bss normally is in SRAM, so we should
avoid having big structures there. The FILE table is 5120 bytes
big, so allocate it dynamically instead.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 7 insertions, 4 deletions

diff --git a/fs/fs.c b/fs/fs.c
index 6346112e52..7e2fb78845 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -119,14 +119,19 @@ EXPORT_SYMBOL(mkmodestr);
 
 static char *cwd;
 
-static int init_cwd(void)
+static FILE *files;
+
+static int init_fs(void)
 {
 	cwd = xzalloc(PATH_MAX);
 	*cwd = '/';
+
+	files = xzalloc(sizeof(FILE) * MAX_FILES);
+
 	return 0;
 }
 
-postcore_initcall(init_cwd);
+postcore_initcall(init_fs);
 
 char *normalise_link(const char *pathname, const char *symlink)
 {
@@ -268,8 +273,6 @@ char *get_mounted_path(const char *path)
 	return fdev->path;
 }
 
-static FILE files[MAX_FILES];
-
 static FILE *get_file(void)
 {
 	int i;