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tools/vm/page-types: remove dependency on opt_file for idle page trac…
…king [ Upstream commit ebaeab2 ] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
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