The patch titled Subject: swap-make-each-swap-partition-have-one-address_space-fix-fix has been removed from the -mm tree. Its filename was swap-make-each-swap-partition-have-one-address_space-fix-fix.patch This patch was dropped because it was folded into swap-make-each-swap-partition-have-one-address_space.patch ------------------------------------------------------ From: Shaohua Li <shli@xxxxxxxxxx> Subject: swap-make-each-swap-partition-have-one-address_space-fix-fix Sasha reported: Commit "swap: make each swap partition have one address_space" is triggering a series of warnings on boot: [ 3.446071] ------------[ cut here ]------------ [ 3.446664] WARNING: at lib/debugobjects.c:261 debug_print_object+0x8e/0xb0() [ 3.447715] ODEBUG: init active (active state 0) object type: percpu_counter hint: (null) [ 3.450360] Modules linked in: [ 3.451593] Pid: 1, comm: swapper/0 Tainted: G W 3.8.0-rc4-next-20130124-sasha-00004-g838a1b4 #266 [ 3.454508] Call Trace: [ 3.455248] [<ffffffff8110d1bc>] warn_slowpath_common+0x8c/0xc0 [ 3.455248] [<ffffffff8110d291>] warn_slowpath_fmt+0x41/0x50 [ 3.455248] [<ffffffff81a2bb5e>] debug_print_object+0x8e/0xb0 [ 3.455248] [<ffffffff81a2c26b>] __debug_object_init+0x20b/0x290 [ 3.455248] [<ffffffff81a2c305>] debug_object_init+0x15/0x20 [ 3.455248] [<ffffffff81a3fbed>] __percpu_counter_init+0x6d/0xe0 [ 3.455248] [<ffffffff81231bdc>] bdi_init+0x1ac/0x270 [ 3.455248] [<ffffffff8618f20b>] swap_setup+0x3b/0x87 [ 3.455248] [<ffffffff8618f257>] ? swap_setup+0x87/0x87 [ 3.455248] [<ffffffff8618f268>] kswapd_init+0x11/0x7c [ 3.455248] [<ffffffff810020ca>] do_one_initcall+0x8a/0x180 [ 3.455248] [<ffffffff86168cfd>] do_basic_setup+0x96/0xb4 [ 3.455248] [<ffffffff861685ae>] ? loglevel+0x31/0x31 [ 3.455248] [<ffffffff861885cd>] ? sched_init_smp+0x150/0x157 [ 3.455248] [<ffffffff86168ded>] kernel_init_freeable+0xd2/0x14c [ 3.455248] [<ffffffff83cade10>] ? rest_init+0x140/0x140 [ 3.455248] [<ffffffff83cade19>] kernel_init+0x9/0xf0 [ 3.455248] [<ffffffff83d5727c>] ret_from_fork+0x7c/0xb0 [ 3.455248] [<ffffffff83cade10>] ? rest_init+0x140/0x140 [ 3.455248] ---[ end trace 0b176d5c0f21bffb ]--- Initialize swap space backing_dev_info once to avoid the warning. Signed-off-by: Shaohua Li <shli@xxxxxxxxxxxx> Reported-by: Sasha Levin <sasha.levin@xxxxxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/swap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN mm/swap.c~swap-make-each-swap-partition-have-one-address_space-fix-fix mm/swap.c --- a/mm/swap.c~swap-make-each-swap-partition-have-one-address_space-fix-fix +++ a/mm/swap.c @@ -858,8 +858,8 @@ void __init swap_setup(void) #ifdef CONFIG_SWAP int i; + bdi_init(swapper_spaces[0].backing_dev_info); for (i = 0; i < MAX_SWAPFILES; i++) { - bdi_init(swapper_spaces[i].backing_dev_info); spin_lock_init(&swapper_spaces[i].tree_lock); INIT_LIST_HEAD(&swapper_spaces[i].i_mmap_nonlinear); } _ Patches currently in -mm which might be from shli@xxxxxxxxxx are origin.patch mm-make-madvisemadv_willneed-support-swap-file-prefetch.patch mm-dont-inline-page_mapping.patch swap-make-each-swap-partition-have-one-address_space.patch swap-add-per-partition-lock-for-swapfile.patch swap-add-per-partition-lock-for-swapfile-fix-fix.patch swap-add-per-partition-lock-for-swapfile-fix-for-nommu.patch swap-add-per-partition-lock-for-swapfile-fix-fix-fix.patch swap-add-per-partition-lock-for-swapfile-fix-fix-fix-fix.patch swap-add-per-partition-lock-for-swapfile-fix-fix-fix-fix-fix.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html