linux-kernel - [PATCH v3 2/4] drm/amdkfd: use vma_is_initial_stack() and vma_is_initial

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Message-ID: <20230728050043.59880-3-wangkefeng.wang@huawei.com>
Date:   Fri, 28 Jul 2023 13:00:41 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     <amd-gfx@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>,
        <linux-mm@...ck.org>, <linux-perf-users@...r.kernel.org>,
        <selinux@...r.kernel.org>,
        Christian Göttsche <cgzones@...glemail.com>,
        David Hildenbrand <david@...hat.com>,
        Felix Kuehling <Felix.Kuehling@....com>,
        Alex Deucher <alexander.deucher@....com>,
        <christian.koenig@....com>, <Xinhui.Pan@....com>,
        <airlied@...il.com>, <daniel@...ll.ch>, <paul@...l-moore.com>,
        <stephen.smalley.work@...il.com>, <eparis@...isplace.org>,
        <peterz@...radead.org>, <acme@...nel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH v3 2/4] drm/amdkfd: use vma_is_initial_stack() and vma_is_initial_heap()

Use the helpers to simplify code.

Cc: Felix Kuehling <Felix.Kuehling@....com>
Cc: Alex Deucher <alexander.deucher@....com>
Cc: "Christian König" <christian.koenig@....com>
Cc: "Pan, Xinhui" <Xinhui.Pan@....com>
Cc: David Airlie <airlied@...il.com>
Cc: Daniel Vetter <daniel@...ll.ch>
Reviewed-by: David Hildenbrand <david@...hat.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@....com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 01c7de2d6e19..308384dbc502 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -2624,10 +2624,7 @@ svm_range_get_range_boundaries(struct kfd_process *p, int64_t addr,
 		return -EFAULT;
 	}
 
-	*is_heap_stack = (vma->vm_start <= vma->vm_mm->brk &&
-			  vma->vm_end >= vma->vm_mm->start_brk) ||
-			 (vma->vm_start <= vma->vm_mm->start_stack &&
-			  vma->vm_end >= vma->vm_mm->start_stack);
+	*is_heap_stack = vma_is_initial_heap(vma) || vma_is_initial_stack(vma);
 
 	start_limit = max(vma->vm_start >> PAGE_SHIFT,
 		      (unsigned long)ALIGN_DOWN(addr, 2UL << 8));
-- 
2.41.0