Reuben Thomas wrote: > I attach a patch to make sense of the comment about mmap under --mmap. > (Clearly --mmap would never improve performance since it is now > ignored!).
Thanks. I pushed this, with tweaked log. (prepended "doc: " to title, removed period, added ChangeLog-style entry) >From 5329e00c99c33406cd671ebac1d3a6e688ef05ab Mon Sep 17 00:00:00 2001 From: Reuben Thomas <[email protected]> Date: Mon, 2 May 2011 12:41:15 +0100 Subject: [PATCH] doc: correct comment about mmap * doc/grep.texi (Other Options) [--mmap]: This option is now ignored, so using it can have no effect on performance. --- doc/grep.texi | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/doc/grep.texi b/doc/grep.texi index da27aa1..7c80f8c 100644 --- a/doc/grep.texi +++ b/doc/grep.texi @@ -668,7 +668,7 @@ This can cause a performance penalty. @cindex memory mapped input This option is ignored for backwards compatibility. It used to read input with the @code{mmap} system call, instead of the default @code{read} -system call. On modern systems, @samp{--mmap} rarely if ever yields +system call. On modern systems, @code{mmap} would rarely if ever yield better performance. @item -U -- 1.7.5.141.g791a
