[PATCH] fs: ramfs: do not bother unmounting ramfs on shutdown
Ahmad Fatoum
a.fatoum at pengutronix.de
Thu Jun 5 04:26:18 PDT 2025
It's pointless to free memory when we are about to boot a kernel that
will reclaim all memory anyway.
As ramfs only consists of such memory buffers, let's just skip its
freeing.
Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
fs/fs.c | 2 ++
fs/ramfs.c | 5 -----
2 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/fs/fs.c b/fs/fs.c
index 0f821451103f..4d478eaf1f72 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -835,6 +835,8 @@ static void fs_remove(struct device *dev)
int ret;
if (fsdev->dev.driver) {
+ if (!dev->driver->remove)
+ return;
dev->driver->remove(dev);
list_del(&fsdev->list);
}
diff --git a/fs/ramfs.c b/fs/ramfs.c
index ab3c44270d43..e971f608545c 100644
--- a/fs/ramfs.c
+++ b/fs/ramfs.c
@@ -435,10 +435,6 @@ static int ramfs_probe(struct device *dev)
return 0;
}
-static void ramfs_remove(struct device *dev)
-{
-}
-
static struct fs_driver ramfs_driver = {
.read = ramfs_read,
.write = ramfs_write,
@@ -446,7 +442,6 @@ static struct fs_driver ramfs_driver = {
.truncate = ramfs_truncate,
.drv = {
.probe = ramfs_probe,
- .remove = ramfs_remove,
.name = "ramfs",
}
};
--
2.39.5
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