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authorNathan Fontenot <nfont@austin.ibm.com>2008-10-01 09:44:02 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-10 15:55:17 +1100
commit9fd3f88cb67ac51bd5face8441472b91e042be67 (patch)
tree4579e16f3d1f9504f8320ce973afc9996cd07e39 /drivers
parent7c12d906f4ef690c65e60111375856640f63a545 (diff)
powerpc: Oops in pseries_lmb_remove()
Testing hotplug memory remove has revealed that we can oops in pseries_lmb_remove(). The incorrect shift causes a NULL pointer dereference in the page_zone() inline routine. I have only been able to reproduce the oops on kernels with large pages enabled. Tested on Power5 and Power6 with and without large pages enabled. Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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