Re: [PATCH v2 1/3] zram: Replace bit spinlocks with a spinlock_t.

From: Sergey Senozhatsky
Date: Sun Jul 07 2024 - 23:03:44 EST


On (24/07/05 14:02), Alexander Lobakin wrote:
> > On 2024-07-04 13:38:04 [+0200], Alexander Lobakin wrote:
[..]
> >>> +static void zram_meta_init_table_locks(struct zram *zram, size_t num_pages)
> >>> +{
> >>> + size_t index;
> >>> +
> >>> + for (index = 0; index < num_pages; index++)
> >>
> >> Maybe declare @index right here?
> >
> > But why? Declarations at the top followed by code.
>
> I meant
>
> for (size_t index = 0; index < num_pages; index++)
>
> It's allowed and even recommended for a couple years already.

I wonder since when? Do gcc 5.1 and clang 13.0.1 support this?