From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9B00A3FB060; Wed, 20 May 2026 18:08:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779300484; cv=none; b=kSPI/VfyRzTT6zVHnPWhhzSmfNX8rWJdUWvSsxltt9RY81E2lMSfPYNvbzn/KlO3dij6F0uE/2QRjSXTOt2C8vR++BVnEIXc5IFX9fnJVWy3uet2cwHLjCUZzpUw3jH9vntjJO2NS9WV9kLL7pG/U8DvR/tGZp/FemH8NEhv6T0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779300484; c=relaxed/simple; bh=BqAlOKuyrjrwOm2g/cjMiAbpe2uF8PJlrATHQJafH6Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=THqlPNH9xekD02n7VVEF72brTpj9dMZj02AC++raQnhNNIlzYQQGqsUyIE28UvDefqbi0tp1MYTLCNXv+kKfQ6cHF+t4PudiT5UwII8YqqOnzRwC4Awzqd+m290u0/O5ybZ/Zm25LIi0uHxGJTRbQ2kP3EIlqzrJTTnNiz+DP20= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=G/K3GGCi; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="G/K3GGCi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B54301F000E9; Wed, 20 May 2026 18:08:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779300483; bh=TC1oIZCyxhLVcJR1Eq8d4IlPY/oPKOWq7+GYtnOCS/s=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=G/K3GGCiikYN/kLUiSrfC//Jp38HAPRjuBVZCXmeRxyqGcG5DDECdy9xHhRe42cqT N0EVS94M3Zerps+/0Wj378+DYDlfxuAAMucfw/lE+r2iR1LCbP6HEoouXvMbL6VKGX vQwyEOjLHOpeGn3dqQlbPsXH1hXqyxpUCwn6dOEY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Boris Brezillon , Rob Clark , Sasha Levin Subject: [PATCH 6.12 192/666] drm/msm/shrinker: Fix can_block() logic Date: Wed, 20 May 2026 18:16:43 +0200 Message-ID: <20260520162115.362087197@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162111.222830634@linuxfoundation.org> References: <20260520162111.222830634@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Rob Clark [ Upstream commit df0f439e3926817cf577ca6272aad68468ff7624 ] The intention here was to allow blocking if DIRECT_RECLAIM or if called from kswapd and KSWAPD_RECLAIM is set. Reported by Claude code review: https://lore.gitlab.freedesktop.org/drm-ai-reviews/review-patch9-20260309151119.290217-10-boris.brezillon@collabora.com/ on a panthor patch which had copied similar logic. Reported-by: Boris Brezillon Fixes: 7860d720a84c ("drm/msm: Fix build break with recent mm tree") Signed-off-by: Rob Clark Reviewed-by: Boris Brezillon Patchwork: https://patchwork.freedesktop.org/patch/714238/ Message-ID: <20260325184106.1259528-1-robin.clark@oss.qualcomm.com> Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/msm_gem_shrinker.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_gem_shrinker.c b/drivers/gpu/drm/msm/msm_gem_shrinker.c index 07ca4ddfe4e37..89c0ea8ddeaac 100644 --- a/drivers/gpu/drm/msm/msm_gem_shrinker.c +++ b/drivers/gpu/drm/msm/msm_gem_shrinker.c @@ -26,9 +26,8 @@ static bool can_swap(void) static bool can_block(struct shrink_control *sc) { - if (!(sc->gfp_mask & __GFP_DIRECT_RECLAIM)) - return false; - return current_is_kswapd() || (sc->gfp_mask & __GFP_RECLAIM); + return (sc->gfp_mask & __GFP_DIRECT_RECLAIM) || + (current_is_kswapd() && (sc->gfp_mask & __GFP_KSWAPD_RECLAIM)); } static unsigned long -- 2.53.0