Four small fixes for the docs tree.

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Merge tag 'docs-6.1-fixes' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "Four small fixes for the docs tree"

* tag 'docs-6.1-fixes' of git://git.lwn.net/linux:
  docs/process/howto: Replace C89 with C11
  Documentation: Fix spelling mistake in hacking.rst
  Documentation: process: replace outdated LTS table w/ link
  tracing/histogram: Update document for KEYS_MAX size

Documentation/kernel-hacking/hacking.rst

@@ -120,7 +120,7 @@ You can tell you are in a softirq (or tasklet) using the
 .. warning::
 
     Beware that this will return a false positive if a
-    :ref:`botton half lock <local_bh_disable>` is held.
+    :ref:`bottom half lock <local_bh_disable>` is held.
 
 Some Basic Rules
 ================

Documentation/process/2.Process.rst

@@ -126,17 +126,10 @@ than one development cycle past their initial release. So, for example, the
 5.2.21 was the final stable update of the 5.2 release.
 
 Some kernels are designated "long term" kernels; they will receive support
-for a longer period.  As of this writing, the current long term kernels
-and their maintainers are:
+for a longer period.  Please refer to the following link for the list of active
+long term kernel versions and their maintainers:
 
-	======  ================================	=======================
-	3.16	Ben Hutchings				(very long-term kernel)
-	4.4	Greg Kroah-Hartman & Sasha Levin	(very long-term kernel)
-	4.9	Greg Kroah-Hartman & Sasha Levin
-	4.14	Greg Kroah-Hartman & Sasha Levin
-	4.19	Greg Kroah-Hartman & Sasha Levin
-	5.4	Greg Kroah-Hartman & Sasha Levin
-	======  ================================	=======================
+	https://www.kernel.org/category/releases.html
 
 The selection of a kernel for long-term support is purely a matter of a
 maintainer having the need and the time to maintain that release.  There

Documentation/process/howto.rst

@@ -36,7 +36,7 @@ experience, the following books are good for, if anything, reference:
  - "C:  A Reference Manual" by Harbison and Steele [Prentice Hall]
 
 The kernel is written using GNU C and the GNU toolchain.  While it
-adheres to the ISO C89 standard, it uses a number of extensions that are
+adheres to the ISO C11 standard, it uses a number of extensions that are
 not featured in the standard.  The kernel is a freestanding C
 environment, with no reliance on the standard C library, so some
 portions of the C standard are not supported.  Arbitrary long long

Documentation/trace/histogram.rst

@@ -39,7 +39,7 @@ Documentation written by Tom Zanussi
   will use the event's kernel stacktrace as the key.  The keywords
   'keys' or 'key' can be used to specify keys, and the keywords
   'values', 'vals', or 'val' can be used to specify values.  Compound
-  keys consisting of up to two fields can be specified by the 'keys'
+  keys consisting of up to three fields can be specified by the 'keys'
   keyword.  Hashing a compound key produces a unique entry in the
   table for each unique combination of component keys, and can be
   useful for providing more fine-grained summaries of event data.

Documentation/translations/it_IT/process/howto.rst

@@ -44,7 +44,7 @@ altro, utili riferimenti:
 - "C:  A Reference Manual" di Harbison and Steele [Prentice Hall]
 
 Il kernel è stato scritto usando GNU C e la toolchain GNU.
-Sebbene si attenga allo standard ISO C89, esso utilizza una serie di
+Sebbene si attenga allo standard ISO C11, esso utilizza una serie di
 estensioni che non sono previste in questo standard. Il kernel è un
 ambiente C indipendente, che non ha alcuna dipendenza dalle librerie
 C standard, così alcune parti del C standard non sono supportate.

Documentation/translations/ja_JP/howto.rst

@@ -65,7 +65,7 @@ Linux カーネル開発のやり方
  - 『新・詳説 C 言語 H&S リファレンス』 (サミュエル P ハービソン/ガイ L スティール共著 斉藤 信男監訳)[ソフトバンク]
 
 カーネルは GNU C と GNU ツールチェインを使って書かれています。カーネル
-は ISO C89 仕様に準拠して書く一方で、標準には無い言語拡張を多く使って
+は ISO C11 仕様に準拠して書く一方で、標準には無い言語拡張を多く使って
 います。カーネルは標準 C ライブラリに依存しない、C 言語非依存環境です。
 そのため、C の標準の中で使えないものもあります。特に任意の long long
 の除算や浮動小数点は使えません。カーネルがツールチェインや C 言語拡張

Documentation/translations/ko_KR/howto.rst

@@ -62,7 +62,7 @@ Documentation/process/howto.rst
  - "Practical C Programming" by Steve Oualline [O'Reilly]
  - "C:  A Reference Manual" by Harbison and Steele [Prentice Hall]
 
-커널은 GNU C와 GNU 툴체인을 사용하여 작성되었다. 이 툴들은 ISO C89 표준을
+커널은 GNU C와 GNU 툴체인을 사용하여 작성되었다. 이 툴들은 ISO C11 표준을
 따르는 반면 표준에 있지 않은 많은 확장기능도 가지고 있다. 커널은 표준 C
 라이브러리와는 관계없이 freestanding C 환경이어서 C 표준의 일부는
 지원되지 않는다. 임의의 long long 나누기나 floating point는 지원되지 않는다.

Documentation/translations/zh_CN/process/howto.rst

@@ -45,7 +45,7 @@ Linux内核大部分是由C语言写成的，一些体系结构相关的代码
  - "C:  A Reference Manual" by Harbison and Steele [Prentice Hall]
    《C语言参考手册（原书第5版）》（邱仲潘 等译）[机械工业出版社]
 
-Linux内核使用GNU C和GNU工具链开发。虽然它遵循ISO C89标准，但也用到了一些
+Linux内核使用GNU C和GNU工具链开发。虽然它遵循ISO C11标准，但也用到了一些
 标准中没有定义的扩展。内核是自给自足的C环境，不依赖于标准C库的支持，所以
 并不支持C标准中的部分定义。比如long long类型的大数除法和浮点运算就不允许
 使用。有时候确实很难弄清楚内核对工具链的要求和它所使用的扩展，不幸的是目

Documentation/translations/zh_TW/process/howto.rst

@@ -48,7 +48,7 @@ Linux內核大部分是由C語言寫成的，一些體系結構相關的代碼
  - "C:  A Reference Manual" by Harbison and Steele [Prentice Hall]
    《C語言參考手冊（原書第5版）》（邱仲潘 等譯）[機械工業出版社]
 
-Linux內核使用GNU C和GNU工具鏈開發。雖然它遵循ISO C89標準，但也用到了一些
+Linux內核使用GNU C和GNU工具鏈開發。雖然它遵循ISO C11標準，但也用到了一些
 標準中沒有定義的擴展。內核是自給自足的C環境，不依賴於標準C庫的支持，所以
 並不支持C標準中的部分定義。比如long long類型的大數除法和浮點運算就不允許
 使用。有時候確實很難弄清楚內核對工具鏈的要求和它所使用的擴展，不幸的是目