diff mbox series

[v4,03/36] mm/slub: Mark slab_free_freelist_hook() __always_inline

Message ID 20240221194052.927623-4-surenb@google.com
State New
Headers
Series Memory allocation profiling |

Commit Message

Suren Baghdasaryan Feb. 21, 2024, 7:40 p.m. UTC 
  From: Kent Overstreet <kent.overstreet@linux.dev>

It seems we need to be more forceful with the compiler on this one.
This is done for performance reasons only.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
---
 mm/slub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Pasha Tatashin Feb. 21, 2024, 9:15 p.m. UTC | #1 
On Wed, Feb 21, 2024 at 2:41 PM Suren Baghdasaryan <surenb@google.com> wrote:
>
> From: Kent Overstreet <kent.overstreet@linux.dev>
>
> It seems we need to be more forceful with the compiler on this one.
> This is done for performance reasons only.
>
> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
> Signed-off-by: Suren Baghdasaryan <surenb@google.com>
> Reviewed-by: Kees Cook <keescook@chromium.org>
> ---
>  mm/slub.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/slub.c b/mm/slub.c
> index 2ef88bbf56a3..d31b03a8d9d5 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -2121,7 +2121,7 @@ bool slab_free_hook(struct kmem_cache *s, void *x, bool init)
>         return !kasan_slab_free(s, x, init);
>  }
>
> -static inline bool slab_free_freelist_hook(struct kmem_cache *s,
> +static __always_inline bool slab_free_freelist_hook(struct kmem_cache *s,

__fastpath_inline seems to me more appropriate here. It prioritizes
memory vs performance.

>                                            void **head, void **tail,
>                                            int *cnt)
>  {
> --
> 2.44.0.rc0.258.g7320e95886-goog
>
diff mbox series

Patch

diff --git a/mm/slub.c b/mm/slub.c
index 2ef88bbf56a3..d31b03a8d9d5 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2121,7 +2121,7 @@  bool slab_free_hook(struct kmem_cache *s, void *x, bool init)
 	return !kasan_slab_free(s, x, init);
 }
 
-static inline bool slab_free_freelist_hook(struct kmem_cache *s,
+static __always_inline bool slab_free_freelist_hook(struct kmem_cache *s,
 					   void **head, void **tail,
 					   int *cnt)
 {