tools/vm/page_owner_sort.c: fix the instructions for use

I noticed a discrepancy between the usage method and the code logic.

If we enable the -f option, it should be "Filter out the information of
blocks whose memory has been released".

Link: https://lkml.kernel.org/r/20220219143106.2805-1-caoyixuan2019@email.szu.edu.cn
Signed-off-by: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Zhenliang Wei <weizhenliang@huawei.com>
Cc: Tang Bin <tangbin@cmss.chinamobile.com>
Cc: Yinan Zhang <zhangyinan2019@email.szu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/tools/vm/page_owner_sort.c b/tools/vm/page_owner_sort.c
index c8ec2d6..79d69c3 100644 (file)
--- a/tools/vm/page_owner_sort.c
+++ b/tools/vm/page_owner_sort.c
@@ -246,7 +246,7 @@ static void usage(void)
                "-a     Sort by memory allocate time.\n"
                "-r     Sort by memory release time.\n"
                "-c     Cull by comparing stacktrace instead of total block.\n"
-               "-f     Filter out the information of blocks whose memory has not been released.\n"
+               "-f     Filter out the information of blocks whose memory has been released.\n"
        );
 }