Messages in this thread | | | From | Linus Torvalds <> | Date | Mon, 28 Oct 2019 13:27:32 +0100 | Subject | Re: [PATCH RFC] fs/fcntl: add fcntl F_GET_RSS |
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On Mon, Oct 28, 2019 at 11:28 AM Konstantin Khlebnikov <khlebnikov@yandex-team.ru> wrote: > > This implements fcntl() for getting amount of resident memory in cache. > Kernel already maintains counter for each inode, this patch just exposes > it into userspace. Returned size is in kilobytes like values in procfs.
This doesn't actually explain why anybody would want it, and what the usage scenario is.
Linus
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