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SubjectRe: Using page cache without a file system
On Friday 22 June 2001 05:33, Ho Chak Hung wrote:
> Is it possible to allocate and add pages to the page cache without a
> underlying file system in Linux 2.4? I know that the host pointer to inode
> structure inside the address_space structure can be NULL, but does this
> mean that we can still make use of page cache operations like readpage or
> writepage if we do not back up the cache with a file system? I am currently
> developing a driver that wants to make use of the page cache, however, I
> want to save myself with the heavy load of kmalloc.
> Any hint would be greatly appreciated.

Check out ramfs

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