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[PATCH] prevent swsusp with PAE 

PAE + swsusp results in hard-to-debug crash about 50% of time during
resume.  Cause is known, fix needs to be ported from x86-64 (but we can't
make it to 2.6.18, and I'd like this to be worked around in 2.6.18).

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Pavel Machek 2006-09-06 00:03:43 -07:00 committed by Linus Torvalds
parent 96dd7421a0
commit 471b40d0df
1 changed files with 5 additions and 1 deletions
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6
kernel/power/Kconfig
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@ -56,7 +56,7 @@ config PM_TRACE
config SOFTWARE_SUSPEND config SOFTWARE_SUSPEND
bool "Software Suspend" bool "Software Suspend"
depends on PM && SWAP && (X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP) depends on PM && SWAP && ((X86 && (!SMP || SUSPEND_SMP) && !X86_PAE) || ((FRV || PPC32) && !SMP))
---help--- ---help---
Enable the possibility of suspending the machine. Enable the possibility of suspending the machine.
It doesn't need ACPI or APM. It doesn't need ACPI or APM.
@ -78,6 +78,10 @@ config SOFTWARE_SUSPEND
For more information take a look at <file:Documentation/power/swsusp.txt>. For more information take a look at <file:Documentation/power/swsusp.txt>.
(For now, swsusp is incompatible with PAE aka HIGHMEM_64G on i386.
we need identity mapping for resume to work, and that is trivial
to get with 4MB pages, but less than trivial on PAE).
config PM_STD_PARTITION config PM_STD_PARTITION
string "Default resume partition" string "Default resume partition"
depends on SOFTWARE_SUSPEND depends on SOFTWARE_SUSPEND