[Bug 73831] xfs failed to allocate memory due to memory fragmentation

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https://bugzilla.kernel.org/show_bug.cgi?id=73831

--- Comment #2 from yangzhe1990@xxxxxxxxx ---
Hi Eric,

I was able to find that on my system it's in most case an allocation of 128KB
contiguous memory space.

The only things I could do without change in any code are changing the
vm.swappiness and vm.vfs_cache_pressure and hope I could have more free slabs
of larger space. But I still see those memory allocation related warnings from
XFS.

Would you like to consider use vmalloc() as a fallback after a few failed tries
to kmalloc()?

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