From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Wed, 20 Jan 2021 14:48:42 +0000 (-0500)
Subject: fix maple tree conversion of cxl driver
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=614f5f874bacd6731cbbeb73b10a0f4015d33680;p=users%2Fjedix%2Flinux-maple.git

fix maple tree conversion of cxl driver

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---

diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c
index 47951b84f2cd..b1e5ded5ee90 100644
--- a/drivers/misc/cxl/fault.c
+++ b/drivers/misc/cxl/fault.c
@@ -313,7 +313,7 @@ static void cxl_prefault_vma(struct cxl_context *ctx)
 	struct vm_area_struct *vma;
 	int rc;
 	struct mm_struct *mm;
-	MA_STATE(mas, &mm->mm_mt, 0, 0);
+	MA_STATE(mas, NULL, 0, 0);
 
 	mm = get_mem_context(ctx);
 	if (mm == NULL) {
@@ -322,6 +322,7 @@ static void cxl_prefault_vma(struct cxl_context *ctx)
 		return;
 	}
 
+	mas.tree = &mm->mm_mt;
 	mmap_read_lock(mm);
 	mas_for_each(&mas, vma, ULONG_MAX) {
 		for (ea = vma->vm_start; ea < vma->vm_end;