On Fri, 15 Jun 2012 at 15:54 GMT, Sebastian Andrzej Siewior <sebastian@xxxxxxxxxxxxx> wrote: > From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> > > If we first remove the SLAB flag followed by the PFMEMALLOC flag then the > removal of the latter will trigger the VM_BUG_ON() as it can be seen in >| kernel BUG at include/linux/page-flags.h:474! >| invalid opcode: 0000 [#1] PREEMPT SMP >| Call Trace: >| [<c10e2d77>] slab_destroy+0x27/0x70 >| [<c10e3285>] drain_freelist+0x55/0x90 >| [<c10e344e>] __cache_shrink+0x6e/0x90 >| [<c14e3211>] ? acpi_sleep_init+0xcf/0xcf >| [<c10e349d>] kmem_cache_shrink+0x2d/0x40 > > because the SLAB flag is gone. This patch simply changes the order. > It would be nicer if we add some comments in the code. ;) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>