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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2022-06-28 16:54:05 +1000 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2022-06-28 16:54:05 +1000 |
| commit | 5f9df76887bf8170e8844f1907c13fbbb30e9c36 (patch) | |
| tree | 3b940f7e1c36605af69ffe3a3e9bc8fa53bd12a1 /mm/memremap.c | |
| parent | 8f850ad6cf932b8b5125f9585cb397e08403cccd (diff) | |
| parent | 84b494dcbcc015419e629ced664d3b737e83336e (diff) | |
| download | linux-next-akpm-base.tar.gz | |
# Conflicts:
# include/linux/pagevec.h
Diffstat (limited to 'mm/memremap.c')
| -rw-r--r-- | mm/memremap.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/memremap.c b/mm/memremap.c index 8b5c8fd4ea8e..f0955785150f 100644 --- a/mm/memremap.c +++ b/mm/memremap.c @@ -315,6 +315,16 @@ void *memremap_pages(struct dev_pagemap *pgmap, int nid) return ERR_PTR(-EINVAL); } break; + case MEMORY_DEVICE_COHERENT: + if (!pgmap->ops->page_free) { + WARN(1, "Missing page_free method\n"); + return ERR_PTR(-EINVAL); + } + if (!pgmap->owner) { + WARN(1, "Missing owner\n"); + return ERR_PTR(-EINVAL); + } + break; case MEMORY_DEVICE_FS_DAX: if (IS_ENABLED(CONFIG_FS_DAX_LIMITED)) { WARN(1, "File system DAX not supported\n"); |