Searched hist:"92 d9dfda8b547cc292af27e11e11c9eff3bb574f" (Results 1 – 3 of 3) sorted by relevance
| /linux/arch/powerpc/include/asm/book3s/64/ |
| H A D | hash-4k.h | diff 92d9dfda8b547cc292af27e11e11c9eff3bb574f Thu Jun 01 16:35:04 CEST 2017 Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> powerpc/mm/4k: Limit 4k page size config to 64TB virtual address space
Supporting 512TB requires us to do a order 3 allocation for level 1 page
table (pgd). This results in page allocation failures with certain workloads.
For now limit 4k linux page size config to 64TB.
Fixes: f6eedbba7a26 ("powerpc/mm/hash: Increase VA range to 128TB")
Reported-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
|
| /linux/arch/powerpc/include/asm/ |
| H A D | processor.h | diff 92d9dfda8b547cc292af27e11e11c9eff3bb574f Thu Jun 01 16:35:04 CEST 2017 Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> powerpc/mm/4k: Limit 4k page size config to 64TB virtual address space
Supporting 512TB requires us to do a order 3 allocation for level 1 page
table (pgd). This results in page allocation failures with certain workloads.
For now limit 4k linux page size config to 64TB.
Fixes: f6eedbba7a26 ("powerpc/mm/hash: Increase VA range to 128TB")
Reported-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
|
| /linux/arch/powerpc/kernel/ |
| H A D | setup-common.c | diff 92d9dfda8b547cc292af27e11e11c9eff3bb574f Thu Jun 01 16:35:04 CEST 2017 Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> powerpc/mm/4k: Limit 4k page size config to 64TB virtual address space
Supporting 512TB requires us to do a order 3 allocation for level 1 page
table (pgd). This results in page allocation failures with certain workloads.
For now limit 4k linux page size config to 64TB.
Fixes: f6eedbba7a26 ("powerpc/mm/hash: Increase VA range to 128TB")
Reported-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
|