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Matthew Wilcox (Oracle) 5934b1be8d usercopy: Remove folio references from check_heap_object()
Use page_slab() instead of virt_to_folio() followed by folio_slab().
We do end up calling compound_head() twice for non-slab copies, but that
will not be a problem once we allocate memdescs separately.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Kees Cook <kees@kernel.org>
Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
Cc: linux-hardening@vger.kernel.org
Link: https://patch.msgid.link/20251113000932.1589073-14-willy@infradead.org
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
History 2025-11-13 11:01:08 +01:00
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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.