Re: [PATCH] thp: move preallocated PTE page table on move_huge_pmd()

2013-12-04 Thread Andrey Wagin
2013/12/4 Kirill A. Shutemov : > Andrey Wagin reported crash on VM_BUG_ON() in pgtable_pmd_page_dtor() > with fallowing backtrace: > > [] free_pgd_range+0x2bf/0x410 > [] free_pgtables+0xce/0x120 > [] unmap_region+0xe0/0x120 > [] ? move_page_tables+0x526/0x6b0 > [] do_munmap+0x249/0x360 >

Re: [PATCH] thp: move preallocated PTE page table on move_huge_pmd()

2013-12-04 Thread Naoya Horiguchi
On Wed, Dec 04, 2013 at 09:03:06PM +0200, Kirill A. Shutemov wrote: > Andrey Wagin reported crash on VM_BUG_ON() in pgtable_pmd_page_dtor() > with fallowing backtrace: > > [] free_pgd_range+0x2bf/0x410 > [] free_pgtables+0xce/0x120 > [] unmap_region+0xe0/0x120 > [] ? move_page_tables+0x526