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x86: delay the export removal of init_mm

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delay the removal of this symbol export by one more kernel release,
giving external modules such as VirtualBox a chance to stop using it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-02-28 20:19:06 +01:00
parent b16bf712f4
commit 757265b8c5
2 changed files with 13 additions and 0 deletions
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12
Documentation/feature-removal-schedule.txt
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@ -316,3 +316,15 @@ Why: Largely unmaintained and almost entirely unused. File system
is largely pointless as without a lot of work only the most
trivial of Solaris binaries can work with the emulation code.
Who: David S. Miller <davem@davemloft.net>
---------------------------
What: init_mm export
When: 2.6.26
Why: Not used in-tree. The current out-of-tree users used it to
work around problems in the CPA code which should be resolved
by now. One usecase was described to provide verification code
of the CPA operation. That's a good idea in general, but such
code / infrastructure should be in the kernel and not in some
out-of-tree driver.
Who: Thomas Gleixner <tglx@linutronix.de>

1
arch/x86/kernel/init_task.c
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@ -15,6 +15,7 @@ static struct files_struct init_files = INIT_FILES;
static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
struct mm_struct init_mm = INIT_MM(init_mm);
EXPORT_UNUSED_SYMBOL(init_mm); /* will be removed in 2.6.26 */
/*
* Initial thread structure.