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This should be & and not | so is_metadata is set correctly.
Reviewed-by: Dan Kimmel <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: luozhengzheng <[email protected]>
Closes #5438
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* Convert ABD to use the Linux Kernel scatterlist implementation
instead of the hand rolled one from illumos.
* Scatter ABDs are preferentially populated with higher order
compound pages from a single zone. Allocation size is
progressively decreased until it can be satisfied without
performing reclaim or compaction.
* An alternate page allocator is provided for kernels older
than 3.6 and for CONFIG_HIGHMEM systems. This allocator
is designed as a fallback for maximum compatibility.
* Extended abdstats to provide visibility in the the allocator.
* Add cached value for PAGESIZE in userspace.
Contributions-by:
Chunwei Chen <[email protected]>
Gvozden Neskovic <[email protected]>
Jinshan Xiong <[email protected]>
Isaac Huang <[email protected]>
David Quigley <[email protected]>
Brian Behlendorf <[email protected]>
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Convert usage of kmap to kmap_atomic while correctly saving off
irq state.
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* userspace: aligned buffers. Minimum of 32B alignment is
needed for AVX2. Kernel buffers are aligned 512B or more.
* add abd_get_offset_size() interface
* abd_iter_map(): fix calculation of iter_mapsize
* add abd_raidz_gen_iterate() and abd_raidz_rec_iterate()
Signed-off-by: Gvozden Neskovic <[email protected]>
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Signed-off-by: Isaac Huang <[email protected]>
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