search for: try_to_free_pag

...de_dma_begin+0x22/0x40 Jun 10 10:28:59 shawarma kernel: [shrink_cache+314/768] shrink_cache+0x13a/0x300 Jun 10 10:28:59 shawarma kernel: [shrink_zone+170/288] shrink_zone+0xaa/0x120 Jun 10 10:28:59 shawarma kernel: [shrink_caches+92/128] shrink_caches+0x5c/0x80 Jun 10 10:28:59 shawarma kernel: [try_to_free_pages+148/384] try_to_free_pages+0x94/0x180 Jun 10 10:28:59 shawarma kernel: [__alloc_pages+422/768] __alloc_pages+0x1a6/0x300 Jun 10 10:28:59 shawarma kernel: [do_page_cache_readahead+231/288] do_page_cache_readahead+0xe7/0x120 Jun 10 10:28:59 shawarma kernel: [filemap_nopage+705/800] filemap_nopag...

...the buffer and cache sections (vmscan.c and so on) have changed... I also saw in CVS that there have been changes to make it work on pre7. But I did not guess how to make a patch from CVS. Anyone out there has it ? BTW: I see there are a bunch of chages in ext3 patch outside its own fs subtree (try_to_free_pages and so on). Why are not integrated in mainline ? TIA -- J.A. Magallon # Let the source be with you... mailto:jamagallon@able.es Mandrake Linux release 8.2 (Cooker) for i586 Linux werewolf 2.4.14-pre7-beo #1 SMP Fri Nov 2 20:26:59 CET 2001 i686 - To unsubscrib...

...shrink_zone_memcg.isra.14+0xd08/0xd08 [ 319.364461] [<ffffffff811f0b10>] ? zone_watermark_ok_safe+0x1e9/0x1f8 [ 319.364478] [<ffffffff81205fd7>] ? zone_reclaimable+0x14b/0x170 [ 319.364495] [<ffffffff8120d2fb>] kswapd+0xaad/0xcee [ 319.364510] [<ffffffff8120c84e>] ? try_to_free_pages+0x617/0x617 [ 319.364527] [<ffffffff8111d13f>] ? trace_hardirqs_on_caller+0x3d2/0x492 [ 319.364545] [<ffffffff81111487>] ? prepare_to_wait_event+0x3f7/0x3f7 [ 319.364564] [<ffffffff810cd0de>] kthread+0x252/0x261 [ 319.364578] [<ffffffff8120c84e>] ? try_to_free_page...

...t;0000000000210d84>] shrink_page_list+0x6a0/0x724 [<0000000000211394>] shrink_inactive_list+0x230/0x578 [<0000000000211bb8>] shrink_list+0x6c/0x120 [<0000000000211e4e>] shrink_zone+0x1e2/0x228 [<0000000000211f24>] shrink_zones+0x90/0x254 [<0000000000213410>] do_try_to_free_pages+0xac/0x420 [<0000000000213ae0>] try_to_free_pages+0x13c/0x1b0 [<0000000000204e6c>] __alloc_pages_nodemask+0x5b4/0x9a8 [<00000000001fb04a>] grab_cache_page_write_begin+0x7e/0xe8 Signed-off-by: David Sterba <dsterba@suse.cz> --- fs/btrfs/disk-io.c | 7 +++++++ 1 file...

...stpone the freeing of discarded pages. The PG_discarded is set by either __remove_from_page_cache, __delete_from_swap_cache or the discard fault handler for pages that have been removed by the host. free_hot_cold_page test for the bit and puts the page to a per-cpu discarded page list if it is set. try_to_free_pages does an smp_call_function to collect all the partial discarded page lists and frees them. There are two reasons why this is desirable. First, discarded page are really cold. Before the guest can reaccess the page frame the host needs to provide a fresh page. It is faster to use only non-discarde...

...stpone the freeing of discarded pages. The PG_discarded is set by either __remove_from_page_cache, __delete_from_swap_cache or the discard fault handler for pages that have been removed by the host. free_hot_cold_page test for the bit and puts the page to a per-cpu discarded page list if it is set. try_to_free_pages does an smp_call_function to collect all the partial discarded page lists and frees them. There are two reasons why this is desirable. First, discarded page are really cold. Before the guest can reaccess the page frame the host needs to provide a fresh page. It is faster to use only non-discarde...

...p+3b/50> Trace; c014c03a <clear_inode+7a/100> Trace; c014b44f <destroy_inode+1f/30> Trace; c014c100 <dispose_list+40/60> Trace; c014c359 <prune_icache+b9/e0> Trace; c014c3a0 <shrink_icache_memory+20/40> Trace; c012fafe <shrink_caches+6e/90> Trace; c012fb5c <try_to_free_pages+3c/60> Trace; c01304ce <balance_classzone+5e/1b0> Trace; c013073b <__alloc_pages+11b/180> Trace; c0128f69 <do_generic_file_read+349/460> Trace; c01293cc <generic_file_read+7c/130> Trace; c0129270 <file_read_actor+0/e0> Trace; c01506f1 <read_dquot+91/100> Tra...

...ut+0x5f/0x61 Feb 4 00:08:23 server1 kernel: [<c018633c>] prune_dcache+0x50d/0x70c Feb 4 00:08:23 server1 kernel: [<c0186df1>] shrink_dcache_memory+0x16/0x2d Feb 4 00:08:23 server1 kernel: [<c015628b>] shrink_slab+0xf7/0x14c Feb 4 00:08:23 server1 kernel: [<c0157648>] try_to_free_pages+0xb9/0x189 Feb 4 00:08:23 server1 kernel: [<c014f78d>] __alloc_pages+0x1b5/0x29d Feb 4 00:08:23 server1 kernel: [<c014f88d>] __get_free_pages+0x18/0x24 Feb 4 00:08:23 server1 kernel: [<c0180962>] __pollwait+0x2d/0x94 Feb 4 00:08:23 server1 kernel: [<c031269a>] unix...

Hi Sergey, On Wed, Jun 15, 2016 at 04:59:09PM +0900, Sergey Senozhatsky wrote: > Hello Minchan, > > -next 4.7.0-rc3-next-20160614 > > > [ 315.146533] kasan: CONFIG_KASAN_INLINE enabled > [ 315.146538] kasan: GPF could be caused by NULL-ptr deref or user memory access > [ 315.146546] general protection fault: 0000 [#1] PREEMPT SMP KASAN > [ 315.146576] Modules

Hi Sergey, On Wed, Jun 15, 2016 at 04:59:09PM +0900, Sergey Senozhatsky wrote: > Hello Minchan, > > -next 4.7.0-rc3-next-20160614 > > > [ 315.146533] kasan: CONFIG_KASAN_INLINE enabled > [ 315.146538] kasan: GPF could be caused by NULL-ptr deref or user memory access > [ 315.146546] general protection fault: 0000 [#1] PREEMPT SMP KASAN > [ 315.146576] Modules

...0xc3/0x12d Jun 25 23:02:13 hsad-srv-03 kernel: [891678.061447] [<ffffffff810d0214>] ? shrink_slab+0x19b/0x287 Jun 25 23:02:13 hsad-srv-03 kernel: [891678.061449] [<ffffffff810d2a90>] ? kswapd+0x512/0x6fd Jun 25 23:02:13 hsad-srv-03 kernel: [891678.061452] [<ffffffff810d257e>] ? try_to_free_pages+0x127/0x127 Jun 25 23:02:13 hsad-srv-03 kernel: [891678.061454] [<ffffffff810d257e>] ? try_to_free_pages+0x127/0x127 Jun 25 23:02:13 hsad-srv-03 kernel: [891678.061455] [<ffffffff81057da4>] ? kthread+0x81/0x89 Jun 25 23:02:13 hsad-srv-03 kernel: [891678.061458] [<ffffffff81057d2...

...7f6a3>] ? _raw_spin_unlock_irq+0x33/0x40 [<ffffffff8187f69c>] ? _raw_spin_unlock_irq+0x2c/0x40 [<ffffffff811ff9e8>] shrink_active_list+0x178/0x3a0 [<ffffffff812001f5>] shrink_lruvec+0x5e5/0x750 [<ffffffff8120044f>] shrink_zone+0xef/0x2e0 [<ffffffff812007bc>] do_try_to_free_pages+0x17c/0x400 [<ffffffff81200b3e>] try_to_free_pages+0xfe/0x2c0 [<ffffffff811f0484>] __alloc_pages_nodemask+0x894/0xd70 [<ffffffff8110959a>] ? __lock_acquire+0x4ba/0x1b70 [<ffffffff810268b9>] ? sched_clock+0x9/0x10 [<ffffffff8124287b>] alloc_pages_current+0x9b/0x1...

...0000013 Feb 6 14:26:47 bauhaus kernel: 00000013 00215000 0000000f 00000005 00000013 c1c66000 c1c67e5c c65a6600 Feb 6 14:26:47 bauhaus kernel: 00000014 c0122cb9 00000005 00000013 00000801 c1c67ea8 c1c66000 00000000 Feb 6 14:26:47 bauhaus kernel: Call Trace: [shrink_mmap+278/372] [try_to_free_pages+57/164] [__get_free_pages+282/1116] [try_to_read_ahead+47/272] [do_generic_file_read+640/1272] [unmap_fixup+291/304] [generic_file_read+91/116] Feb 6 14:26:47 bauhaus kernel: [file_read_actor+0/80] [sys_read+178/208] [common_interrupt+24/32] [error_code+45/64] [system_call+52/64] [startu...

..._mod:dm_any_congested+56} <ffffffffa020b8ce>{:xfs:linvfs_writepage+167} Nov 7 12:50:33 houla0 <ffffffff80165353>{shrink_zone+3095} <ffffffff8012065d>{flush_gart+210} Nov 7 12:50:33 houla0 <ffffffff8011e884>{flat_send_IPI_mask+0} <ffffffff8016593d>{try_to_free_pages+303} Nov 7 12:50:33 houla0 <ffffffff8013fdf3>{del_timer+107} <ffffffff8015dfb7>{__alloc_pages+527} Nov 7 12:50:33 houla0 <ffffffff801406de>{process_timeout+0} <ffffffff8015e141>{__get_free_pages+11} Nov 7 12:50:33 houla0 <ffffffff8016127...

...__pagevec_release+0x15/0x1d Sep 20 13:35:27 hagar kernel: [<c0149fbe>] shrink_cache+0x1dd/0x34d Sep 20 13:35:28 hagar kernel: [<c014a67c>] shrink_zone+0xa7/0xb6 Sep 20 13:35:29 hagar kernel: [<c014a6d7>] shrink_caches+0x4c/0x57 Sep 20 13:35:30 hagar kernel: [<c014a7ce>] try_to_free_pages+0xc3/0x1a7 Sep 20 13:35:30 hagar kernel: [<c0144181>] __alloc_pages+0x1b5/0x29d Sep 20 13:35:30 hagar kernel: [<c0144281>] __get_free_pages+0x18/0x24 Sep 20 13:35:31 hagar kernel: [<c016b3a2>] __pollwait+0x2d/0x95 Sep 20 13:35:35 hagar kernel: [<c029d7c1>] tcp_poll+0x3...

...l Trace: Aug 22 04:03:16 wssproxy kernel: [<c0182a6d>] prune_dcache+0x2fe/0x49d Aug 22 04:03:16 wssproxy kernel: [<c01834b2>] shrink_dcache_memory+0x14/0x2b Aug 22 04:03:16 wssproxy kernel: [<c0152e0b>] shrink_slab+0xf7/0x14c Aug 22 04:03:16 wssproxy kernel: [<c01541c8>] try_to_free_pages+0xb9/0x189 Aug 22 04:03:16 wssproxy kernel: [<c014c3aa>] __alloc_pages+0x1fe/0x2f7 Aug 22 04:03:16 wssproxy kernel: [<c014f250>] do_page_cache_readahead+0x14b/0x262 Aug 22 04:03:16 wssproxy kernel: [<c014f4cb>] page_cache_readahead+0x164/0x20a Aug 22 04:03:16 wssproxy kernel:...