Date:   Thu, 28 Mar 2019 07:42:50 +0000
From:   Pankaj Suryawanshi <pankaj.suryawanshi@...fochips.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>
Subject: Page-allocation-failure

Hello ,

I am facing issue related to page allocation failure.

If anyone is familiar with this issue, let me know what is the issue?
How to solved/debug it.

Failure logs -:

---------------------------------------------------------------------------------------------------------------------------------------------------------
[   45.073877] kswapd0: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null)
[   45.073897] CPU: 1 PID: 716 Comm: kswapd0 Tainted: P           O    4.14.65 #3
[   45.073899] Hardware name: Android (Flattened Device Tree)
[   45.073901] Backtrace:
[   45.073915] [<8020dbec>] (dump_backtrace) from [<8020ded0>] (show_stack+0x18/0x1c)
[   45.073920]  r6:600f0093 r5:8141bd5c r4:00000000 r3:3abdc664
[   45.073928] [<8020deb8>] (show_stack) from [<80ba5e30>] (dump_stack+0x94/0xa8)
[   45.073936] [<80ba5d9c>] (dump_stack) from [<80350610>] (warn_alloc+0xe0/0x194)
[   45.073940]  r6:80e090cc r5:00000000 r4:81216588 r3:3abdc664
[   45.073946] [<80350534>] (warn_alloc) from [<803514e0>] (__alloc_pages_nodemask+0xd70/0x124c)
[   45.073949]  r3:00000000 r2:80e090cc
[   45.073952]  r6:00000001 r5:00000000 r4:8121696c
[   45.073959] [<80350770>] (__alloc_pages_nodemask) from [<803a6c20>] (allocate_slab+0x364/0x3e4)
[   45.073964]  r10:00000080 r9:00000000 r8:01081220 r7:ffffffff r6:00000000 r5:01080020
[   45.073966]  r4:bd00d180
[   45.073971] [<803a68bc>] (allocate_slab) from [<803a8c98>] (___slab_alloc.constprop.6+0x420/0x4b8)
[   45.073977]  r10:00000000 r9:00000000 r8:bd00d180 r7:01080020 r6:81216588 r5:be586360
[   45.073978]  r4:00000000
[   45.073984] [<803a8878>] (___slab_alloc.constprop.6) from [<803a8d54>] (__slab_alloc.constprop.5+0x24/0x2c)
[   45.073989]  r10:0004e299 r9:bd00d180 r8:01080020 r7:8147b954 r6:bd6e5a68 r5:00000000
[   45.073991]  r4:600f0093
[   45.073996] [<803a8d30>] (__slab_alloc.constprop.5) from [<803a9058>] (kmem_cache_alloc+0x16c/0x2d0)
[   45.073999]  r4:bd00d180 r3:be586360
-----------------------------------------------------------------------------------------------------------------------------------------------------------

Regards,
Pankaj
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