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f13b83fdd9
Now that a list of pages is deduplicated at once, the TLB flush can be batched for all vmemmap pages that got remapped. Expand the flags field value to pass whether to skip the TLB flush on remap of the PTE. The TLB flush is global as we don't have guarantees from caller that the set of folios is contiguous, or to add complexity in composing a list of kVAs to flush. Modified by Mike Kravetz to perform TLB flush on single folio if an error is encountered. Link: https://lkml.kernel.org/r/20231019023113.345257-8-mike.kravetz@oracle.com Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com> Reviewed-by: Muchun Song <songmuchun@bytedance.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Barry Song <21cnbao@gmail.com> Cc: David Hildenbrand <david@redhat.com> Cc: David Rientjes <rientjes@google.com> Cc: James Houghton <jthoughton@google.com> Cc: Konrad Dybcio <konradybcio@kernel.org> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Miaohe Lin <linmiaohe@huawei.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Naoya Horiguchi <naoya.horiguchi@linux.dev> Cc: Oscar Salvador <osalvador@suse.de> Cc: Sergey Senozhatsky <senozhatsky@chromium.org> Cc: Usama Arif <usama.arif@bytedance.com> Cc: Xiongchun Duan <duanxiongchun@bytedance.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 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.