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10fca64a66
Write-lock all VMAs which might be affected by a merge, split, expand or shrink operations. All these operations use vma_prepare() before making the modifications, therefore it provides a centralized place to perform VMA locking. [surenb@google.com: remove unnecessary vp->vma check in vma_prepare] Link: https://lkml.kernel.org/r/20230301022720.1380780-1-surenb@google.com Link: https://lore.kernel.org/r/202302281802.J93Nma7q-lkp@intel.com/ Link: https://lkml.kernel.org/r/20230227173632.3292573-17-surenb@google.com Signed-off-by: Suren Baghdasaryan <surenb@google.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: David Howells <dhowells@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Laurent Dufour <laurent.dufour@fr.ibm.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Pavel Tatashin <pasha.tatashin@soleen.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Yu Zhao <yuzhao@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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 Restructured Text 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.