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SubjectRe: [PATCH 1/3] NOMMU: Provide shared-writable mmap support on ramfs


On Wed, 23 Nov 2005, David Howells wrote:
>
> (3) Not permitting a file to be shrunk if it would truncate any shared
> mappings (private mappings are copied).

Why?

Truncate is _supposed_ to get rid of any shared mmap stuff.

Linus
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