linux kernel page allocation failure and tuning of page reclaim procedure

wap = 0kB [ 776.298421] 16384 pages RAM [ 776.301224] 0 pages HighMem/MovableOnly [ 776.305052] 1558 pages reserved Regards Amit Nagal

IPI_CPU_BACKTRACE - disable tracing patch

Hi As discussed here :: http://www.spinics.net/lists/arm-kernel/msg484384.html , IPI_CPU_BACKTRACE is special and is not traceable . is the patch enclosed in above discussion finalized and queued up for release on kernel.org ? As I see , it has not been released till v4.7-rc4 . Regards Amit

tg_load_down NULL pointer dereference

[](walk_tg_tree_from + 48) Function entered at [](walk_tg_tree_from) from [< c007a694>](load_balance +668) 5) Is there any scenario by which tg->parent->cfs_rq be 0 (r2) and tg->se can get corrupted to value 0400 (r3). Regards Amit Nagal