When unmapping a huge class page in zs_unmap_object, the page will
be unmapped by kmap_atomic. the "!area->huge" branch in
__zs_unmap_object is alway true, and no code set "area->huge" now,
so we can drop it.
Signed-off-by: YiPing Xu <xuyiping@xxxxxxxxxx>
---
mm/zsmalloc.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 2d7c4c1..43e4cbc 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -281,7 +281,6 @@ struct mapping_area {
#endif
char *vm_addr; /* address of kmap_atomic()'ed pages */
enum zs_mapmode vm_mm; /* mapping mode */
- bool huge;
};
static int create_handle_cache(struct zs_pool *pool)
@@ -1127,11 +1126,9 @@ static void __zs_unmap_object(struct mapping_area *area,
goto out;
buf = area->vm_buf;
- if (!area->huge) {
- buf = buf + ZS_HANDLE_SIZE;
- size -= ZS_HANDLE_SIZE;
- off += ZS_HANDLE_SIZE;
- }
+ buf = buf + ZS_HANDLE_SIZE;
+ size -= ZS_HANDLE_SIZE;
+ off += ZS_HANDLE_SIZE;
sizes[0] = PAGE_SIZE - off;
sizes[1] = size - sizes[0];
--
1.8.3.2
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