diff options
| author | YiPing Xu <xuyiping@huawei.com> | 2016-03-17 14:20:39 -0700 |
|---|---|---|
| committer | Vinayak Menon <vinmenon@codeaurora.org> | 2017-02-21 12:39:02 +0530 |
| commit | 5f37ac12f7464b249ff58872251e0fe3649ff16e (patch) | |
| tree | 33658a25315d3fcadd18ae62197def87015de2c8 /mm | |
| parent | eb5e442977e3f9ba88dd2df07fc743b2cf8fc488 (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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Git-commit: a82cbf07131b56e7e51fbb008b82ef769af08790
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Change-Id: I332dc03f886d1e6547b0b59914046a7924405d1b
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
Diffstat (limited to 'mm')
| -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 336149ffd07d..de8054b48447 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]; |