Re: [PATCH] mm: fix kernel BUG at huge_memory.c:1474!

2012-12-16 Thread Linus Torvalds
On Sun, Dec 16, 2012 at 6:56 PM, Hugh Dickins wrote: > Andrea's autonuma-benchmark numa01 hits kernel BUG at huge_memory.c:1474! > in change_huge_pmd called from change_protection from change_prot_numa > from task_numa_work. > > That BUG, introduced in the huge zero page commit cad7f613c4d0 ("thp:

[PATCH] mm: fix kernel BUG at huge_memory.c:1474!

2012-12-16 Thread Hugh Dickins
Andrea's autonuma-benchmark numa01 hits kernel BUG at huge_memory.c:1474! in change_huge_pmd called from change_protection from change_prot_numa from task_numa_work. That BUG, introduced in the huge zero page commit cad7f613c4d0 ("thp: change_huge_pmd(): make sure we don't try to make a page writa