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6d192303e8
Currently in migrate_balanced_pgdat(), ALLOC_CMA flag is not passed when checking watermark on the migration target node. This does not match the gfp in alloc_misplaced_dst_folio() which allows allocation from CMA. This causes promotion failures when there are a lot of available CMA memory in the system. Therefore, we change the alloc_flags passed to zone_watermark_ok() in migrate_balanced_pgdat(). Link: https://lkml.kernel.org/r/20240801180456.25927-1-kaiyang2@cs.cmu.edu Signed-off-by: Kaiyang Zhao <kaiyang2@cs.cmu.edu> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.