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From: "H. Peter Anvin" <hpa@zytor.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>, Yinghai Lu <yinghai@kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Latest brk patchset
Date: Sat, 14 Mar 2009 16:43:55 -0700	[thread overview]
Message-ID: <49BC413B.5020104@zytor.com> (raw)

Hi guys,

I was reviewing the latest brk patchset, and I have a question:

Why is the brk merged into the .bss, instead of being left in its own
(nobits) segment:

  .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
	__init_end = .;
	__bss_start = .;		/* BSS */
	*(.bss.page_aligned)
	*(.bss)
	. = ALIGN(4);
	__bss_stop = .;

	. = ALIGN(PAGE_SIZE);
	__brk_base = . ;
	. += 64 * 1024 ;	/* 64k slop space */
	*(.brk_reservation)	/* areas brk users have reserved */
	__brk_limit = . ;

  	_end = . ;
  }

It really doesn't make much sense to me, and is more than a bit
confusing given the symbols.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.


             reply	other threads:[~2009-03-14 23:48 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-14 23:43 H. Peter Anvin [this message]
2009-03-15  0:32 ` Latest brk patchset Jeremy Fitzhardinge
2009-03-15  0:37   ` H. Peter Anvin
2009-03-15  6:09     ` Jeremy Fitzhardinge
2009-03-15  6:29     ` Jeremy Fitzhardinge
2009-03-15 20:38       ` [crash] " Ingo Molnar
2009-03-15 20:42         ` Ingo Molnar
2009-03-15 21:19         ` Jeremy Fitzhardinge
2009-03-15 21:28           ` Ingo Molnar
2009-03-15 23:28             ` Jeremy Fitzhardinge
2009-03-16  8:54               ` Ingo Molnar
2009-03-16 16:12                 ` Jeremy Fitzhardinge
2009-03-16 16:56                   ` Yinghai Lu
2009-03-16 17:20                     ` Jeremy Fitzhardinge
2009-03-16 17:54                     ` Jeremy Fitzhardinge
2009-03-16 18:15                       ` H. Peter Anvin
2009-03-16 18:17                       ` Yinghai Lu
2009-03-16 18:22                         ` H. Peter Anvin
2009-03-16 18:31                           ` Yinghai Lu
2009-03-16 18:17                       ` H. Peter Anvin
2009-03-16 19:25                         ` Jeremy Fitzhardinge
2009-03-16 19:34                           ` H. Peter Anvin
2009-03-16 19:48                           ` Yinghai Lu
2009-03-16 20:00                             ` Jeremy Fitzhardinge
2009-03-16 20:26                               ` H. Peter Anvin
2009-03-16 20:59                                 ` Jeremy Fitzhardinge
2009-03-16 21:14                                   ` H. Peter Anvin
2009-03-16 21:31                                     ` Jeremy Fitzhardinge
2009-03-16 22:35                                       ` H. Peter Anvin
2009-03-17  2:26                                         ` Yinghai Lu
2009-03-17  4:00                                           ` H. Peter Anvin
2009-03-17  5:07                                             ` Jeremy Fitzhardinge
2009-03-17 16:04                                               ` H. Peter Anvin
2009-03-17 19:42                                                 ` Jeremy Fitzhardinge
2009-03-17 19:45                                                   ` H. Peter Anvin
2009-03-17 19:59                                                     ` Jeremy Fitzhardinge
2009-03-17 21:19                                                       ` Yinghai Lu
2009-03-17 21:28                                                         ` Jeremy Fitzhardinge
2009-03-17 19:47                                                 ` Jeremy Fitzhardinge
2009-03-22 15:09                 ` Ingo Molnar
2009-03-22 17:12                   ` Jeremy Fitzhardinge
2009-03-22 17:22                     ` Ingo Molnar
2009-03-22 21:48                       ` Jeremy Fitzhardinge
2009-03-23 16:39                         ` [tip:x86/setup] x86/dmi: fix dmi_alloc() section mismatches Jeremy Fitzhardinge
2009-03-15  1:37   ` Latest brk patchset H. Peter Anvin
2009-03-15  4:43     ` Yinghai Lu
2009-03-15  4:51       ` H. Peter Anvin
2009-03-15  5:33         ` Yinghai Lu
2009-03-15  6:05           ` Jeremy Fitzhardinge
2009-03-15  6:25             ` Yinghai Lu
2009-03-15  6:03     ` Jeremy Fitzhardinge

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