From: Changbin Du Date: Fri, 24 Sep 2021 22:43:41 +0000 (-0700) Subject: tools/vm/page-types: remove dependency on opt_file for idle page tracking X-Git-Tag: accepted/tizen/unified/20230118.172025~6278^2~8 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ebaeab2fe87987cef28eb5ab174c42cd28594387;p=platform%2Fkernel%2Flinux-rpi.git 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/tools/vm/page-types.c b/tools/vm/page-types.c index 0517c74..f62f10c 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)