Re: [PATCH v1] powerpc: Fix BUG_ON during memory unplug on radix

2019-06-26 Thread Aneesh Kumar K.V
Bharata B Rao writes: > We hit the following BUG_ON when memory hotplugged before reboot > is unplugged after reboot: > > kernel BUG at arch/powerpc/mm/pgtable-frag.c:113! > > remove_pagetable+0x594/0x6a0 > (unreliable) > remove_pagetable+0x94/0x6a0 > vmemmap_free+0x394/0x410 >

[PATCH v1] powerpc: Fix BUG_ON during memory unplug on radix

2019-06-24 Thread Bharata B Rao
We hit the following BUG_ON when memory hotplugged before reboot is unplugged after reboot: kernel BUG at arch/powerpc/mm/pgtable-frag.c:113! remove_pagetable+0x594/0x6a0 (unreliable) remove_pagetable+0x94/0x6a0 vmemmap_free+0x394/0x410 sparse_remove_one_section+0x26c/0x2e8