I want to develop a kernel module to detect the PFNs of the restorable page cache in the guest memory and the corresponding disk block numbers in the disk image.
Restorable page cache means that the guest memory has the same contents as physical disk blocks in physical disk.
Here i means that particular page in page cache have index, so i just want to find that index.
in RAM free memory are allocated for the page cache for instant accessing pages from the RAM instead of physical disk.
Hello Peter Breuer.
kernel module that detects the PFNs of page cache in the guest memory and the corresponding disk block numbers in the disk image(perfect copy on disk).
whatever data contain by cache, generally comes from secondary storage systems such as hard disk.
Logical block addressing (LBA) is a common scheme used for specifying the location of blocks of data stored on computer storage devices.
so how to retrieve logical block address of particular block of data stored on computer storage devices.
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