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12f1dbcf8f
When hwpoison_filter() refuses to soft offline a page, the page refcnt
incremented previously by MF_COUNT_INCREASED would have been consumed via
get_hwpoison_page() if ret <= 0. So the put_ref_page() here will put the
extra one. Remove it to fix the issue.
Link: https://lkml.kernel.org/r/20220818130016.45313-4-linmiaohe@huawei.com
Fixes: 9113eaf331 ("mm/memory-failure.c: add hwpoison_filter for soft offline")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.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 Restructured Text 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.