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a53df8757f
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Sven Eckelmann a53df8757f ar71xx-generic: Reduce SquashFS blocksize to 64K 
Some 32 MB devices like the Nanostation M2 suffer from sudden high loads
combined with a squashfs related OOM reboot:

  logd invoked oom-killer: gfp_mask=0x2420848, order=0, oom_score_adj=0
  CPU: 0 PID: 774 Comm: logd Not tainted 4.4.135 #0
  Stack : 804214dc 00000000 00000001 80480000 8182fa3c 80474803 804028d0 00000306
          804e378c 00001ade 00000040 00000000 00000000 800a7f10 00000006 00000000
          00000000 00000000 804063e0 80c69994 804e6542 800a5e8c 02420848 00000000
          00000001 801fd600 00000000 00000000 00000000 00000000 00000000 00000000
          00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
          ...
  Call Trace:
  [<800721cc>] show_stack+0x54/0x88
  [<800d5468>] dump_header.isra.4+0x48/0x130
  [<800d5c38>] check_panic_on_oom+0x48/0x84
  [<800d5d64>] out_of_memory+0xf0/0x324
  [<800d9888>] __alloc_pages_nodemask+0x6b8/0x724
  [<800d2960>] pagecache_get_page+0x154/0x270
  [<80134cb0>] __getblk_slow+0x15c/0x374
  [<80160418>] squashfs_read_data+0x1c8/0x6e8
  [<80164628>] squashfs_readpage_block+0x32c/0x4d8
  [<801622a4>] squashfs_readpage+0x5bc/0x6d0
  [<800dd030>] __do_page_cache_readahead+0x1f8/0x264
  [<800d479c>] filemap_fault+0x1a8/0x458
  [<800efc1c>] __do_fault+0x64/0xd0
  [<800f2824>] handle_mm_fault+0x4a4/0xb40
  [<80076e98>] __do_page_fault+0x134/0x470
  [<80060820>] ret_from_exception+0x0/0x10

Reduction of the SquashFS blocksize should reduce the problem slightly on
these nodes. The image size will increase slightly but this should be no
problem for ar71xx-generic (in contrast to ar71xx-tiny).
2018-07-04 19:06:20 +02:00
..
ar71xx-generic ar71xx-generic: Reduce SquashFS blocksize to 64K 2018-07-04 19:06:20 +02:00
ar71xx-mikrotik ar71xx: build kernel modules used by Gluon into the kernel 2018-04-13 17:32:20 +02:00
ar71xx-nand ar71xx: add support for ZyXEL NBG6716 (#1443) 2018-06-22 20:21:11 +02:00
ar71xx-tiny ar71xx: add support for TP-Link TL-WA901ND v5 (#1423) 2018-06-07 22:36:18 +02:00
brcm2708-bcm2708 brcm2708-bcm2708: add manifest_alias for raspberry-pi-model-b-rev-2 2017-12-27 03:05:53 +01:00
brcm2708-bcm2709 brcm2708-bcm2709: add manifest_alias for raspberry-pi-2-model-b-rev-1.1 2017-12-27 03:06:19 +01:00
brcm2708-bcm2710 build: move all generic config generation to targets/generic 2017-09-07 03:21:42 +02:00
generic generic: do not attempt to build kmod-usbip 2018-04-10 20:25:38 +02:00
ipq806x targets/ipq806x: use ath10k-firmware-qca99x0-ct for 11s and remove BROKEN flag 2018-05-07 00:03:04 +02:00
mpc85xx-generic Use LEDE as base for Gluon 2017-01-18 17:21:43 +01:00
mvebu build: move all generic config generation to targets/generic 2017-09-07 03:21:42 +02:00
ramips-mt7620 build: move all generic config generation to targets/generic 2017-09-07 03:21:42 +02:00
ramips-mt7621 ramips-mt7621: Add support for ZBT-WG3526-32M (#1296) 2018-02-04 17:42:48 +01:00
ramips-mt7628 ramips-mt7628: add new platform and vocore2 (#1027) 2017-02-09 02:07:00 +01:00
ramips-rt305x ramips-rt305x: correct alphabetical order 2018-05-09 04:00:02 +02:00
sunxi sunxi: cleanup BROKEN flag formatting 2018-02-07 04:03:00 +01:00
targets.mk targets/ipq806x: use ath10k-firmware-qca99x0-ct for 11s and remove BROKEN flag 2018-05-07 00:03:04 +02:00
x86-64 x86: move common parts of x86-generic and x86-64 to include file 2018-04-26 22:59:36 +02:00
x86-generic x86: move common parts of x86-generic and x86-64 to include file 2018-04-26 22:59:36 +02:00
x86-geode x86-geode: add target for Geode CPUs 2017-02-03 22:47:14 +01:00
x86.inc x86: move common parts of x86-generic and x86-64 to include file 2018-04-26 22:59:36 +02:00