[PATCH 0/3] CMA: Handle the issues of aggressively allocate the

[Hui Zhu <zhuhui@xiaomi.com>]

I tried the Joonsoo's CMA patches [1] in my part and found that they works
better than mine [2] about handle LRU and other issues even if they
don't shrink the memory before cma_alloc.  So I began to test it in my
part.
But my colleague Weixing found some issues around it.  So we make 2 patches to
handle the issues.
And I merged cma_alloc_counter from [2] to cma_alloc work better.

This patchset is based on aa39477b5692611b91ac9455ae588738852b3f60 and [1].

[1] https://lkml.org/lkml/2014/5/28/64
[2] https://lkml.org/lkml/2014/10/15/623

Hui Zhu (3):
CMA: Fix the bug that CMA's page number is substructed twice
CMA: Fix the issue that nr_try_movable just count MIGRATE_MOVABLE memory
CMA: Add cma_alloc_counter to make cma_alloc work better if it meet busy range

 include/linux/cma.h    |    2 +
 include/linux/mmzone.h |    3 +
 mm/cma.c               |    6 +++
 mm/page_alloc.c        |   76 ++++++++++++++++++++++++++++++++++---------------
 4 files changed, 65 insertions(+), 22 deletions(-)

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