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Filename Latest commit message Latest commit date
Song Liu 5a52c9df62 uprobe: use FOLL_SPLIT_PMD instead of FOLL_SPLIT
Use the newly added FOLL_SPLIT_PMD in uprobe.  This preserves the huge
page when the uprobe is enabled.  When the uprobe is disabled, newer
instances of the same application could still benefit from huge page.

For the next step, we will enable khugepaged to regroup the pmd, so that
existing instances of the application could also benefit from huge page
after the uprobe is disabled.

Link: http://lkml.kernel.org/r/20190815164525.1848545-5-songliubraving@fb.com
Signed-off-by: Song Liu <songliubraving@fb.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:11 -07:00
arch thp: update split_huge_page_pmd() comment 2019-09-24 15:54:10 -07:00
block
certs
crypto
Documentation memcg, kmem: deprecate kmem.limit_in_bytes 2019-09-24 15:54:10 -07:00
drivers mm,thp: stats for file backed THP 2019-09-24 15:54:11 -07:00
fs mm,thp: avoid writes to file with THP in pagecache 2019-09-24 15:54:11 -07:00
include mm, thp: introduce FOLL_SPLIT_PMD 2019-09-24 15:54:11 -07:00
init mm: use CPU_BITS_NONE to initialize init_mm.cpu_bitmask 2019-09-24 15:54:10 -07:00
ipc
kernel uprobe: use FOLL_SPLIT_PMD instead of FOLL_SPLIT 2019-09-24 15:54:11 -07:00
lib
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mm mm, thp: introduce FOLL_SPLIT_PMD 2019-09-24 15:54:11 -07:00
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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 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.