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SubjectRe: [RFC] Documentation/filesystems/tmpfs
> >>>In contrast to RAM disks, which get allocated a fixed amount of
> >>>physical RAM, tmpfs grows and shrinks to accommodate the files it
> >>>contains and is able to swap unneeded pages out to swap space.
> >>That isn't the case now since ramdisks were integrated with the
> >>buffer cache:
> > What isn't the case any more?
> Because the RAM is now (de)allocated as required.
> Filesystem? ext2 on /dev/ram1(rd.o)
> meminfo shows the memory being reclaimed as the file is deleted.

And this is transparent to {any|the ext2fs} underlying filesystem?
What if I use xfs, rasierfs, ntfs, $* ?

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