From: Yixuan Cao caoyixuan2019@email.szu.edu.cn
mainline inclusion from mainline-v5.18-rc1 commit 49e495a015e9cc127728b0f353a15d16da138fb8 category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I9GSSR
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...
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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.... 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 Signed-off-by: Jinjiang Tu tujinjiang@huawei.com --- tools/vm/page_owner_sort.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/vm/page_owner_sort.c b/tools/vm/page_owner_sort.c index c8ec2d6b314d..79d69c3b84ed 100644 --- 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" ); }