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It helps to provide page flag description along with the raw value in error paths during soft offline process. From sample experiments Before the patch: soft offline: 0x6100: migration failed 1, type 3ffff800008018 soft offline: 0x7400: migration failed 1, type 3ffff800008018 After the patch: soft offline: 0x5900: migration failed 1, type 3ffff800008018 (uptodate|dirty|head) soft offline: 0x6c00: migration failed 1, type 3ffff800008018 (uptodate|dirty|head) Link: http://lkml.kernel.org/r/20170409023829.10788-1-khandual@linux.vnet.ibm.com Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.