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Add vm object lock assertions to pmap_copy_page() which must
rS250808Unpublished
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Description

Add vm object lock assertions to pmap_copy_page() which must
avoid mappings destruction and page freeing while performing the copy.
(Documentation will be filled promptly later about this).

Sponsored by: EMC / Isilon storage division

Details

Provenance
attilioAuthored on
Parents
rS250807: Remove the necessity to define VM_OBJECT_LOCK_DOWNGRADE() and handle
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Changes (11)

PathSize
user/
attilio/
vmobj-readlock/
sys/
amd64/
amd64/
arm/
arm/
i386/
i386/
xen/
ia64/
ia64/
mips/
mips/
powerpc/
aim/
booke/
sparc64/
sparc64/

rS250808

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user/attilio/vmobj-readlock/sys/amd64/amd64/pmap.c

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user/attilio/vmobj-readlock/sys/arm/arm/pmap-v6.c

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user/attilio/vmobj-readlock/sys/arm/arm/pmap.c

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user/attilio/vmobj-readlock/sys/i386/i386/pmap.c

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user/attilio/vmobj-readlock/sys/i386/xen/pmap.c

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user/attilio/vmobj-readlock/sys/ia64/ia64/pmap.c

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user/attilio/vmobj-readlock/sys/mips/mips/pmap.c

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user/attilio/vmobj-readlock/sys/powerpc/aim/mmu_oea.c

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user/attilio/vmobj-readlock/sys/powerpc/aim/mmu_oea64.c

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user/attilio/vmobj-readlock/sys/powerpc/booke/pmap.c

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user/attilio/vmobj-readlock/sys/sparc64/sparc64/pmap.c

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