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authorBrian King <brking@linux.vnet.ibm.com>2008-12-18 11:13:49 +0000
committerPaul Mackerras <paulus@samba.org>2008-12-21 14:21:15 +1100
commitfecba96268fc48ab9b4a016356a8f2371df25e64 (patch)
treee9fb3bbbccee326d7ea0cbb4ffa8c4e7d31afcb7 /arch/powerpc/sysdev/dcr-low.S
parent2218108e182fd8a6d9106077833ed7ad05fc8e75 (diff)
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powerpc: Add reboot notifier to Collaborative Memory Manager
When running Active Memory Sharing, pages can get marked as "loaned" with the hypervisor by the CMM driver. This state gets cleared by the system firmware when rebooting the partition. When using kexec to boot a new kernel, this state never gets cleared and the hypervisor and CMM driver can get out of sync with respect to the number of pages currently marked "loaned". Fix this by adding a reboot notifier to the CMM driver to deflate the balloon and mark all pages as active. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
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