On Thu, Sep 24, 2015 at 11:08:29AM -0500, Christoph Lameter wrote: > On Thu, 24 Sep 2015, Kirill A. Shutemov wrote: > > > SLUB uses PG_locked as a bit spin locked. IIUC, tail pages should never > > appear there. VM_BUG_ON() is added to make sure that this assumption is > > correct. > > Correct. However, VM_BUG_ON is superfluous. If there is a tail page there > then the information in the page will be not as expected (free list > parameter f.e.) and things will fall apart rapidly with segfaults.
Right. But would it provide any clues on what is going on? -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
