[PATCH v1 1/8] lmb: Remove lmb_align_down()

Sam Protsenko semen.protsenko at linaro.org
Thu Dec 12 22:09:57 CET 2024


On Wed, Dec 11, 2024 at 4:55 AM Ilias Apalodimas
<ilias.apalodimas at linaro.org> wrote:
>
> We already have a macro for this. Use it instead of adding yet another
> variant for alignment.
>
> Signed-off-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>
> ---

Reviewed-by: Sam Protsenko <semen.protsenko at linaro.org>

>  lib/lmb.c | 15 +++++----------
>  1 file changed, 5 insertions(+), 10 deletions(-)
>
> diff --git a/lib/lmb.c b/lib/lmb.c
> index f9880a8dc62b..b9c26cb02e10 100644
> --- a/lib/lmb.c
> +++ b/lib/lmb.c
> @@ -342,11 +342,6 @@ static long lmb_overlaps_region(struct alist *lmb_rgn_lst, phys_addr_t base,
>         return (i < lmb_rgn_lst->count) ? i : -1;
>  }
>
> -static phys_addr_t lmb_align_down(phys_addr_t addr, phys_size_t size)
> -{
> -       return addr & ~(size - 1);
> -}
> -
>  /*
>   * IOVA LMB memory maps using lmb pointers instead of the global LMB memory map.
>   */
> @@ -400,7 +395,7 @@ phys_addr_t io_lmb_alloc(struct lmb *io_lmb, phys_size_t size, ulong align)
>
>                 if (lmbsize < size)
>                         continue;
> -               base = lmb_align_down(lmbbase + lmbsize - size, align);
> +               base = ALIGN_DOWN(lmbbase + lmbsize - size, align);
>
>                 while (base && lmbbase <= base) {
>                         rgn = lmb_overlaps_region(&io_lmb->used_mem, base, size);
> @@ -416,7 +411,7 @@ phys_addr_t io_lmb_alloc(struct lmb *io_lmb, phys_size_t size, ulong align)
>                         res_base = lmb_used[rgn].base;
>                         if (res_base < size)
>                                 break;
> -                       base = lmb_align_down(res_base - size, align);
> +                       base = ALIGN_DOWN(res_base - size, align);
>                 }
>         }
>         return 0;
> @@ -709,13 +704,13 @@ static phys_addr_t _lmb_alloc_base(phys_size_t size, ulong align,
>                         continue;
>
>                 if (max_addr == LMB_ALLOC_ANYWHERE) {
> -                       base = lmb_align_down(lmbbase + lmbsize - size, align);
> +                       base = ALIGN_DOWN(lmbbase + lmbsize - size, align);
>                 } else if (lmbbase < max_addr) {
>                         base = lmbbase + lmbsize;
>                         if (base < lmbbase)
>                                 base = -1;
>                         base = min(base, max_addr);
> -                       base = lmb_align_down(base - size, align);
> +                       base = ALIGN_DOWN(base - size, align);
>                 } else {
>                         continue;
>                 }
> @@ -740,7 +735,7 @@ static phys_addr_t _lmb_alloc_base(phys_size_t size, ulong align,
>                         res_base = lmb_used[rgn].base;
>                         if (res_base < size)
>                                 break;
> -                       base = lmb_align_down(res_base - size, align);
> +                       base = ALIGN_DOWN(res_base - size, align);
>                 }
>         }
>         return 0;
> --
> 2.45.2
>


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