[PATCH 01/27] mm: remove a pointless CONFIG_ZONE_DEVICE check in memremap_pages

[Christoph Hellwig]

memremap.c is only built when CONFIG_ZONE_DEVICE is set, so remove
the superflous extra check.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>
Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>
---
 mm/memremap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/memremap.c b/mm/memremap.c
index 6aa5f0c2d11fda..5f04a0709e436e 100644
--- a/mm/memremap.c
+++ b/mm/memremap.c
@@ -328,8 +328,7 @@ void *memremap_pages(struct dev_pagemap *pgmap, int nid)
 		}
 		break;
 	case MEMORY_DEVICE_FS_DAX:
-		if (!IS_ENABLED(CONFIG_ZONE_DEVICE) ||
-		    IS_ENABLED(CONFIG_FS_DAX_LIMITED)) {
+		if (IS_ENABLED(CONFIG_FS_DAX_LIMITED)) {
 			WARN(1, "File system DAX not supported\n");
 			return ERR_PTR(-EINVAL);
 		}
-- 
2.30.2