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Keith Randall 7e1b61c718 runtime: mark pages we return to kernel as NOHUGEPAGE
We return memory to the kernel with madvise(..., DONTNEED).
Also mark returned memory with NOHUGEPAGE to keep the kernel from
merging this memory into a huge page, effectively reallocating it.

Only known to be a problem on linux/{386,amd64,amd64p32} at the moment.
It may come up on other os/arch combinations in the future.

Fixes #8832

Change-Id: Ifffc6627a0296926e3f189a8a9b6e4bdb54c79eb
Reviewed-on: https://go-review.googlesource.com/5660
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
2015-02-25 21:16:18 +00:00
api runtime: add GODEBUG=gccheckmark=0/1 2015-01-12 16:36:50 +00:00
doc doc/go1.5: mention the change in certificate wildcard handling. 2015-02-25 00:49:09 +00:00
include [dev.cc] all: merge master (5f1efe7) into dev.cc 2015-02-13 12:51:56 -05:00
lib/time remove the obsolete lib/codereview. 2014-12-08 07:51:54 +00:00
misc [dev.cc] misc/nacl: add testdata for cmd/internal/rsc.io/x86/x86asm 2015-02-23 17:14:24 +00:00
src runtime: mark pages we return to kernel as NOHUGEPAGE 2015-02-25 21:16:18 +00:00
test cmd/internal/gc: omit non-explicit capacity in errors with map/chan make 2015-02-25 20:04:22 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore [dev.cc] cmd/new5a etc, cmd/internal/asm: edit to produce working Go code 2015-01-21 19:42:58 +00:00
AUTHORS A+C: add another email address for Emil Hessman 2014-11-12 10:01:23 -08:00
CONTRIBUTING.md doc: direct people to the mailing list 2015-01-18 21:27:07 +00:00
CONTRIBUTORS C: add Nick Cooper (Google CLA). 2014-11-14 17:03:17 +11:00
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README.md doc: fix broken link in README 2015-02-19 05:50:57 +00:00
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The Go Programming Language

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For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:

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