-0500
committer Chris Mason <chris.mason@oracle.com> 1234451164 -0500

Btrfs: Avoid using __GFP_HIGHMEM with slab allocator

btrfs_releasepage may call kmem_cache_alloc indirectly,
and provide same GFP flags it gets to kmem_cache_alloc.
So it's possible to use __GFP_HIGHMEM with the slab
allocator.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>

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