summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMateusz Guzik <mjguzik@gmail.com>2025-11-19 15:49:30 +0100
committerChristian Brauner <brauner@kernel.org>2025-11-25 10:04:38 +0100
commit8d79ec9e7f634e10c6cdc7f3999023bd988df1ad (patch)
treeb2ff4e358a4d89590d075d596c1322af964789b7
parent7c179096e77eca210caf43abfcf3e556030fea3b (diff)
fs: mark lookup_slow() as noinline
Otherwise it gets inlined notably in walk_component(), which convinces the compiler to push/pop additional registers in the fast path to accomodate existence of the inlined version. Shortens the fast path of that routine from 87 to 71 bytes. Signed-off-by: Mateusz Guzik <mjguzik@gmail.com> Link: https://patch.msgid.link/20251119144930.2911698-1-mjguzik@gmail.com Signed-off-by: Christian Brauner <brauner@kernel.org>
-rw-r--r--fs/namei.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 5fbb05fb96b7..efa592a98155 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1863,7 +1863,7 @@ again:
return dentry;
}
-static struct dentry *lookup_slow(const struct qstr *name,
+static noinline struct dentry *lookup_slow(const struct qstr *name,
struct dentry *dir,
unsigned int flags)
{