AuxXxilium/linux_dsm_epyc7002
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Alexey Kardashevskiy 7a3a4d7638 powerpc/mm_iommu: Allow pinning large regions 
When called with vmas_arg==NULL, get_user_pages_longterm() allocates
an array of nr_pages*8 which can easily get greater that the max order,
for example, registering memory for a 256GB guest does this and fails
in __alloc_pages_nodemask().

This adds a loop over chunks of entries to fit the max order limit.

Fixes: 678e174c4c ("powerpc/mm/iommu: allow migration of cma allocated pages during mm_iommu_do_alloc", 2019-03-05)
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2019-04-17 21:36:51 +10:00
..
alpha Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
arc ARC updates for 5.1-rc2 2019-03-20 11:01:52 -07:00
arm irqchip updates for 5.1, take #2 2019-03-21 12:30:54 +01:00
arm64 arm64: remove obsolete selection of MULTI_IRQ_HANDLER 2019-03-20 17:34:16 +00:00
c6x kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
csky kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
h8300 kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
hexagon kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
ia64 Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
m68k kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
microblaze Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
mips A small batch of MIPS fixes for 5.1: 2019-03-19 10:50:15 -07:00
nds32 kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
nios2 kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
openrisc kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
parisc Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
powerpc powerpc/mm_iommu: Allow pinning large regions 2019-04-17 21:36:51 +10:00
riscv kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
s390 Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
sh kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
sparc Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
um Merge branch 'for-linus-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml 2019-03-15 15:07:32 -07:00
unicore32 kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
x86 x86/gart: Exclude GART aperture from kcore 2019-03-23 12:11:49 +01:00
xtensa kbuild: force all architectures except um to include mandatory-y 2019-03-17 12:56:32 +09:00
.gitignore
Kconfig Char/Misc driver patches for 5.1-rc1 2019-03-06 14:18:59 -08:00