fs: ramfs: Implement memmap
When an inode only has a single chunk then we can support memmap for
it.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent b9ce401 commit 5edb9f03a0e7d83c817ff17e19a852e2f564aef8
@Sascha Hauer Sascha Hauer authored on 12 Jun 2020
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fs/ramfs.c