Commit 110ceb82 authored by Miaohe Lin's avatar Miaohe Lin Committed by Linus Torvalds

mm/zsmalloc.c: rework the list_add code in insert_zspage()

Rework the list_add code to make it more readable and simple.

Link: https://lkml.kernel.org/r/20201015130107.65195-1-linmiaohe@huawei.comSigned-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Acked-by: default avatarMinchan Kim <minchan@kernel.org>
Reviewed-by: default avatarSergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1ec3b5fe
......@@ -726,13 +726,10 @@ static void insert_zspage(struct size_class *class,
* We want to see more ZS_FULL pages and less almost empty/full.
* Put pages with higher ->inuse first.
*/
if (head) {
if (get_zspage_inuse(zspage) < get_zspage_inuse(head)) {
list_add(&zspage->list, &head->list);
return;
}
}
list_add(&zspage->list, &class->fullness_list[fullness]);
if (head && get_zspage_inuse(zspage) < get_zspage_inuse(head))
list_add(&zspage->list, &head->list);
else
list_add(&zspage->list, &class->fullness_list[fullness]);
}
/*
......
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