Hi all,
I have found a kernel warning of btrfs ,during run my shell script in
qemu qemu virtual machine.
Linux mainline version Linux 4.15-rc2 (ae64f9bd)
The script try to copy a big file(15G) into btrfs filesystem,when I
login virtual machine,then run the script,A kernel warning will be
Of course! Thank you, you save my poor english :).
在 2017/11/27 19:58, Michal Hocko 写道:
On Mon 27-11-17 19:53:18, guoxuenan wrote:
From: chenjie
The madvise() system call supported a set of "conventional" advice values,
the MADV_WILLNEED parameter has possibility of triggering a
ill always keep
vam->vm_start < start = vam->vm_end < end && vma = prev->vm_next;
since Circulation exit conditions (con{0,1,2}) will never meet ,the
program stuck in infinite loop.
Signed-off-by: chenjie
Signed-off-by: guoxuenan
---
mm/madvise.c | 4 +---
1 file changed,
change,[vma] keep as it was;
update [ vma = prev->vm_next ]
}
===
After the first cycle ;it will always keep
[ vam->vm_start < start = vam->vm_end < end ].
since Circulation exit conditions (con{0,1,2}) will never meet ,the
program stuck in infinite loop.
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