linux-kernel - Re: mmotm 2010-10-20-15-01 uploaded

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Date:	Thu, 21 Oct 2010 11:15:55 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	akpm@...ux-foundation.org
CC:	mm-commits@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: mmotm 2010-10-20-15-01 uploaded

Li Zefan wrote:
> akpm@...ux-foundation.org wrote:
>> The mm-of-the-moment snapshot 2010-10-20-15-01 has been uploaded to
>>
>>    http://userweb.kernel.org/~akpm/mmotm/
>>
>> and will soon be available at
>>
>>    git://zen-kernel.org/kernel/mmotm.git
>>
>> It contains the following patches against 2.6.36-rc8:
>>
> 
> Got this:
> 
> arch/x86/pci/xen.c: In function 'pci_xen_init':
> arch/x86/pci/xen.c:138: error: 'isapnp_disable' undeclared (first use in this function)
> arch/x86/pci/xen.c:138: error: (Each undeclared identifier is reported only once
> arch/x86/pci/xen.c:138: error: for each function it appears in.)
> 
> # quilt patches arch/x86/pci/xen.c
> linux-next.patch

I just commented out isapnp_disable, and after boot I saw this warning:

------------[ cut here ]------------
WARNING: at arch/x86/mm/highmem_32.c:82 __kunmap_atomic+0x80/0xd4()
Hardware name: ASPIRE AG1720
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.36-rc8-mm1+ #1
Call Trace:
 [<c0440982>] warn_slowpath_common+0x6a/0x7f
 [<c042e6c5>] ? __kunmap_atomic+0x80/0xd4
 [<c04409ab>] warn_slowpath_null+0x14/0x18
 [<c042e6c5>] __kunmap_atomic+0x80/0xd4
 [<c04f2d1f>] zero_user_segments+0x5e/0x64
 [<c04f2e58>] simple_write_begin+0x5e/0x6c
 [<c04a6518>] generic_file_buffered_write+0xc0/0x1c5
 [<c0444f41>] ? current_fs_time+0x1b/0x1e
 [<c04a7745>] __generic_file_aio_write+0x25e/0x28f
 [<c04a77d8>] generic_file_aio_write+0x62/0xaa
 [<c04db6df>] do_sync_write+0x8f/0xca
 [<c075fc8f>] ? _raw_write_unlock_irqrestore+0x41/0x4d
 [<c074aedd>] ? kmemleak_alloc+0x59/0x78
 [<c09874f3>] ? do_name+0x10e/0x26b
 [<c04db650>] ? do_sync_write+0x0/0xca
 [<c04dbc44>] vfs_write+0x85/0xe3
 [<c04dbd40>] sys_write+0x40/0x62
 [<c098722b>] do_copy+0x24/0xbe
 [<c09870d4>] flush_buffer+0x6a/0x8a
 [<c09a84b1>] gunzip+0x267/0x2e6
 [<c0592458>] ? nofill+0x0/0x8
 [<c09a824a>] ? gunzip+0x0/0x2e6
 [<c0987b7f>] unpack_to_rootfs+0x1e0/0x2ee
 [<c098706a>] ? flush_buffer+0x0/0x8a
 [<c0986e93>] ? error+0x0/0x13
 [<c0987cd9>] populate_rootfs+0x4c/0x200
 [<c05a944e>] ? pci_get_subsys+0x4d/0x59
 [<c075da14>] ? printk+0x14/0x18
 [<c09aa16f>] ? pci_apply_final_quirks+0xc9/0xe6
 [<c0403080>] do_one_initcall+0x76/0x126
 [<c0987c8d>] ? populate_rootfs+0x0/0x200
 [<c098539e>] kernel_init+0x126/0x1a2
 [<c0985278>] ? kernel_init+0x0/0x1a2
 [<c0409942>] kernel_thread_helper+0x6/0x10
---[ end trace e93713a9d40cd06c ]---
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