On Fri, Apr 25, 2025 at 1:28 AM Vlastimil Babka <vba...@suse.cz> wrote:
>
> Create the vm_area_struct cache with percpu sheaves of size 32 to
> improve its performance.
>
> Signed-off-by: Vlastimil Babka <vba...@suse.cz>
I think Lorenzo's refactoring moved this code out of fork.c, so it
will have to be adjusted.
Reviewed-by: Suren Baghdasaryan <sur...@google.com>
> ---
> kernel/fork.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/fork.c b/kernel/fork.c
> index
> c4b26cd8998b8e7b2b516e0bb0b1d4676ff644dc..3bd711f0798c88aee04bc30ff21fc4ca2b66201a
> 100644
> --- a/kernel/fork.c
> +++ b/kernel/fork.c
> @@ -3216,6 +3216,7 @@ void __init proc_caches_init(void)
> struct kmem_cache_args args = {
> .use_freeptr_offset = true,
> .freeptr_offset = offsetof(struct vm_area_struct, vm_freeptr),
> + .sheaf_capacity = 32,
> };
>
> sighand_cachep = kmem_cache_create("sighand_cache",
>
> --
> 2.49.0
>
