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| author | Changbin Du <changbin.du@gmail.com> | 2021-09-24 15:43:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-24 16:13:35 -0700 |
| commit | ebaeab2fe87987cef28eb5ab174c42cd28594387 (patch) | |
| tree | 0c34660f43f0b06d9f39bc1137c2471ddd66247b /tools/vm | |
| parent | d09c38726c78effaf910a1e3f31e247b5b031d56 (diff) | |
| download | lwn-ebaeab2fe87987cef28eb5ab174c42cd28594387.tar.gz lwn-ebaeab2fe87987cef28eb5ab174c42cd28594387.zip | |
tools/vm/page-types: remove dependency on opt_file for idle page tracking
Idle page tracking can also be used for process address space, not only
file mappings.
Without this change, using with '-i' option for process address space
encounters below errors reported.
$ sudo ./page-types -p $(pidof bash) -i
mark page idle: Bad file descriptor
mark page idle: Bad file descriptor
mark page idle: Bad file descriptor
mark page idle: Bad file descriptor
...
Link: https://lkml.kernel.org/r/20210917032826.10669-1-changbin.du@gmail.com
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/vm')
| -rw-r--r-- | tools/vm/page-types.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c index 0517c744b04e..f62f10c988db 100644 --- a/tools/vm/page-types.c +++ b/tools/vm/page-types.c @@ -1331,7 +1331,7 @@ int main(int argc, char *argv[]) if (opt_list && opt_list_mapcnt) kpagecount_fd = checked_open(PROC_KPAGECOUNT, O_RDONLY); - if (opt_mark_idle && opt_file) + if (opt_mark_idle) page_idle_fd = checked_open(SYS_KERNEL_MM_PAGE_IDLE, O_RDWR); if (opt_list && opt_pid) |