Re: [PATCH] drm/msm: Fix build break with recent mm tree

From: Randy Dunlap
Date: Thu Sep 29 2022 - 12:36:59 EST




On 9/29/22 09:14, Rob Clark wrote:
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
>
> 9178e3dcb121 ("mm: discard __GFP_ATOMIC") removed __GFP_ATOMIC,
> replacing it with a check for not __GFP_DIRECT_RECLAIM.
>
> Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>

Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # build-tested

Thanks.

> ---
> Sorry, this was reported by Stephen earlier in the month, while
> I was on the other side of the globe and jetlagged. Unfortunately
> I forgot about it by the time I got back home. Applying this patch
> after 025d27239a2f ("drm/msm/gem: Evict active GEM objects when necessary")
> but before or after 9178e3dcb121 ("mm: discard __GFP_ATOMIC") should
> resolve the build breakage.
>
> drivers/gpu/drm/msm/msm_gem_shrinker.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/msm_gem_shrinker.c b/drivers/gpu/drm/msm/msm_gem_shrinker.c
> index 473ced14e520..8f83454ceedf 100644
> --- a/drivers/gpu/drm/msm/msm_gem_shrinker.c
> +++ b/drivers/gpu/drm/msm/msm_gem_shrinker.c
> @@ -27,7 +27,7 @@ static bool can_swap(void)
>
> static bool can_block(struct shrink_control *sc)
> {
> - if (sc->gfp_mask & __GFP_ATOMIC)
> + if (!(sc->gfp_mask & __GFP_DIRECT_RECLAIM))
> return false;
> return current_is_kswapd() || (sc->gfp_mask & __GFP_RECLAIM);
> }

--
~Randy