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fa23a338de
Patch series "Minor memcg cleanups & prep for memdescs", v2. Separate the handling of accounted folios and GFP_ACCOUNT pages for easier to understand code. For more detail, see https://lore.kernel.org/linux-mm/Z9LwTOudOlCGny3f@casper.infradead.org/ This patch (of 5): Folios always use memcg_data to refer to the mem_cgroup while pages allocated with GFP_ACCOUNT have a pointer to the obj_cgroup. Since the caller already knows what it has, split the function into two and then we don't need to check. Move the assignment of split folio memcg_data to the point where we set up the other parts of the new folio. That leaves folio_split_memcg_refs() just handling the memcg accounting. Link: https://lkml.kernel.org/r/20250314133617.138071-1-willy@infradead.org Link: https://lkml.kernel.org/r/20250314133617.138071-2-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Shakeel Butt <shakeel.butt@linux.dev> Acked-by: Zi Yan <ziy@nvidia.com> Acked-by: Roman Gushchin <roman.gushchin@linux.dev> Cc: David Hildenbrand <david@redhat.com> Cc: Matthew Wilcow (Oracle) <willy@infradead.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Muchun Song <muchun.song@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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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.