diff options
| author | YiPing Xu <xuyiping@huawei.com> | 2016-02-18 10:48:05 +0100 |
|---|---|---|
| committer | Michal Hocko <mhocko@suse.com> | 2016-02-18 10:48:05 +0100 |
| commit | e3eca46e1e9e39b2bbe5383a8ff752a0b5432b48 (patch) | |
| tree | c69f96c0c34a595d327a03da528f050c44ac463e | |
| parent | f25fee7ec3f0d7aed97b9bc582127ba1ab506eed (diff) | |
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@huawei.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/zsmalloc.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index e7414cec220b..e58f0e34f9d4 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) @@ -1122,11 +1121,9 @@ 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]; |