On Sun, 20 Jul 2014, David Herrmann wrote:
> The i_mmap_writable field counts existing writable mappings of an
> address_space. To allow drivers to prevent new writable mappings, make
> this counter signed and prevent new writable mappings if it is negative.
> This is modelled after i_writecount a
The i_mmap_writable field counts existing writable mappings of an
address_space. To allow drivers to prevent new writable mappings, make
this counter signed and prevent new writable mappings if it is negative.
This is modelled after i_writecount and DENYWRITE.
This will be required by the shmem-se
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