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Patch series "Some cleanups for shmem", v3. This series does some cleanups to reuse code, rename functions and simplify logic to make code more clear. No functional changes are expected. This patch (of 3): Move the suitable huge orders validation into shmem_suitable_orders() for tmpfs, which can reuse some code to simplify the logic. In addition, we don't have special handling for the error code -E2BIG when checking for conflicts with PMD sized THP in the pagecache for tmpfs, instead, it will just fallback to order-0 allocations like this patch does, so this simplification will not add functional changes. Link: https://lkml.kernel.org/r/cover.1721626645.git.baolin.wang@linux.alibaba.com Link: https://lkml.kernel.org/r/965985dd6d322929d78a0beee0dafa1c2a1b81e2.1721626645.git.baolin.wang@linux.alibaba.com Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Ryan Roberts <ryan.roberts@arm.com> Acked-by: David Hildenbrand <david@redhat.com> Cc: Barry Song <21cnbao@gmail.com> Cc: Hugh Dickins <hughd@google.com> Cc: Lance Yang <ioworker0@gmail.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Zi Yan <ziy@nvidia.com> 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.