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Instead of pre-allocating an entire array of struct binder_lru_page in alloc->pages, install the shrinker metadata under page->private. This ensures the memory is allocated and released as needed alongside pages. By converting the alloc->pages[] into an array of struct page pointers, we can access these pages directly and only reference the shrinker metadata where it's being used (e.g. inside the shrinker's callback). Rename struct binder_lru_page to struct binder_shrinker_mdata to better reflect its purpose. Add convenience functions that wrap the allocation and freeing of pages along with their shrinker metadata. Note I've reworked this patch to avoid using page->lru and page->index directly, as Matthew pointed out that these are being removed [1]. Link: https://lore.kernel.org/all/ZzziucEm3np6e7a0@casper.infradead.org/ [1] Cc: Matthew Wilcox <willy@infradead.org> Cc: Liam R. Howlett <Liam.Howlett@oracle.com> Reviewed-by: Suren Baghdasaryan <surenb@google.com> Signed-off-by: Carlos Llamas <cmllamas@google.com> Link: https://lore.kernel.org/r/20241210143114.661252-5-cmllamas@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| drivers | ||
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| init | ||
| io_uring | ||
| ipc | ||
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| lib | ||
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| virt | ||
| .clang-format | ||
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| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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| README | ||
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.