The patch titled
Subject: zsmalloc: drop unused member 'mapping_area->huge'
has been removed from the -mm tree. Its filename was
zsmalloc-drop-unused-member-mapping_area-huge.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: YiPing Xu <xuyiping@xxxxxxxxxx>
Subject: zsmalloc: drop unused member 'mapping_area->huge'
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>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/zsmalloc.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff -puN mm/zsmalloc.c~zsmalloc-drop-unused-member-mapping_area-huge mm/zsmalloc.c
--- a/mm/zsmalloc.c~zsmalloc-drop-unused-member-mapping_area-huge
+++ a/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 map
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];
_
Patches currently in -mm which might be from xuyiping@xxxxxxxxxx are
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