On Mon, 2015-03-30 at 10:39 +0530, Aneesh Kumar K.V wrote:
This patch remove helpers which we had used only once in the code.
Limiting page table walk variants help in ensuring that we won't
end up with code walking page table with wrong assumptions.
Signed-off-by: Aneesh Kumar K.V
pte can get updated from other CPUs as part of multiple activities
like THP split, huge page collapse, unmap. We need to make sure we
don't reload the pte value again and again for different checks.
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
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Note:
This is posted
This patch remove helpers which we had used only once in the code.
Limiting page table walk variants help in ensuring that we won't
end up with code walking page table with wrong assumptions.
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/pgtable.h