rdware in the future.
Changed since v2:
- s/device unaddressable/device private/
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: J
rdware in the future.
Changed since v2:
- s/device unaddressable/device private/
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by:
-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: John Hubbard <jhubb...@nvidia.com>
Signed-off-by: Mark Hairgrove <mhairgr...@nvidia.com>
Signed-off-by: Sherry Cheung <sche...@nvidia.com>
Signed-off-by: Su
-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by: Sherry Cheung
Signed-off-by: Subhash Gutti
---
include/linux/hmm.h | 114 ++
mm/Kconfig | 9 ++
mm/hmm.c| 416
:
- s/DEVICE_UNADDRESSABLE/DEVICE_PRIVATE
Changed since v1:
- rename to device private memory (from device unaddressable)
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Acked-by: Dan Williams <dan.j.willi...@intel.com>
Cc: Ross Zwisler <ross.zwis...@linux.intel.com>
---
:
- s/DEVICE_UNADDRESSABLE/DEVICE_PRIVATE
Changed since v1:
- rename to device private memory (from device unaddressable)
Signed-off-by: Jérôme Glisse
Acked-by: Dan Williams
Cc: Ross Zwisler
---
fs/proc/task_mmu.c | 7 +
include/linux/ioport.h | 1 +
include/linux/memremap.h
put_zone_device_private_page()
- fix build issues with some kernel config related to header
inter-dependency
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
Cc: Dan Williams <dan.j.willi...@intel.com>
Cc: Ross
put_zone_device_private_page()
- fix build issues with some kernel config related to header
inter-dependency
Signed-off-by: Jérôme Glisse
Cc: Kirill A. Shutemov
Cc: Dan Williams
Cc: Ross Zwisler
---
include/linux/memremap.h | 13 +
include/linux/mm.h | 31
rdware in the future.
Changed since v2:
- s/device unaddressable/device private/
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: J
rdware in the future.
Changed since v2:
- s/device unaddressable/device private/
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by:
to all of
those 3 functionality.
Changed since v2:
- s/device unaddressable/device private
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-
to all of
those 3 functionality.
Changed since v2:
- s/device unaddressable/device private
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed
This add documentation for HMM (Heterogeneous Memory Management). It
presents the motivation behind it, the features necessary for it to
be useful and and gives an overview of how this is implemented.
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
Documentation/vm/hmm.txt
This add documentation for HMM (Heterogeneous Memory Management). It
presents the motivation behind it, the features necessary for it to
be useful and and gives an overview of how this is implemented.
Signed-off-by: Jérôme Glisse
---
Documentation/vm/hmm.txt | 362
This handle page fault on behalf of device driver, unlike handle_mm_fault()
it does not trigger migration back to system memory for device memory.
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: John Hu
for thing like HMM (see include/linux/hmm.h).
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
fs/aio.c | 8 +++
fs/f2fs/data.c | 5 -
fs/hugetlbfs/inode.c | 5 -
fs/ubifs/file.c | 5 -
include/linux/migrate.h
for thing like HMM (see include/linux/hmm.h).
Signed-off-by: Jérôme Glisse
---
fs/aio.c | 8 +++
fs/f2fs/data.c | 5 -
fs/hugetlbfs/inode.c | 5 -
fs/ubifs/file.c | 5 -
include/linux/migrate.h | 5 +
include/linux
This handle page fault on behalf of device driver, unlike handle_mm_fault()
it does not trigger migration back to system memory for device memory.
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by: Sherry Cheung
device_initcall() and drop everything that is module specific
Changed since v1:
- Improve commit message
- Add drvdata parameter to set on struct device
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: John Hubbard <jhub
device_initcall() and drop everything that is module specific
Changed since v1:
- Improve commit message
- Add drvdata parameter to set on struct device
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by: Sherry Cheung
v3:
- s/device unaddressable/device private/
Changed since v2:
- s/SECTION_SIZE/PA_SECTION_SIZE
Changed since v1:
- change to adapt to new add_pages() helper
- make this x86-64 only for now
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov &
v3:
- s/device unaddressable/device private/
Changed since v2:
- s/SECTION_SIZE/PA_SECTION_SIZE
Changed since v1:
- change to adapt to new add_pages() helper
- make this x86-64 only for now
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed
A ZONE_DEVICE page that reach a refcount of 1 is free ie no longer
have any user. For device private pages this is important to catch
and thus we need to special case put_page() for this.
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Kirill A. Shutemov <kirill.shute...@linux.inte
A ZONE_DEVICE page that reach a refcount of 1 is free ie no longer
have any user. For device private pages this is important to catch
and thus we need to special case put_page() for this.
Signed-off-by: Jérôme Glisse
Cc: Kirill A. Shutemov
Cc: Dan Williams
Cc: Ross Zwisler
---
include/linux
memory than having to fault later
on.
Changed since v1:
- 5 level page table fix
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
mm/migrate.c | 135 +--
1 file changed, 131 insertions(+), 4 deletions(-)
diff --git a/mm/migra
memory than having to fault later
on.
Changed since v1:
- 5 level page table fix
Signed-off-by: Jérôme Glisse
---
mm/migrate.c | 135 +--
1 file changed, 131 insertions(+), 4 deletions(-)
diff --git a/mm/migrate.c b/mm/migrate.c
index
This does not use existing page table walker because we want to share
same code for our page fault handler.
Changed since v2:
- s/device unaddressable/device private/
Changes since v1:
- Use spinlock instead of rcu synchronized list traversal
Signed-off-by: Jérôme Glisse <jgli...@redhat.
ne its
implementation and select CONFIG_ARCH_HAS_ADD_PAGES. All others use
the currently existing __add_pages.
Signed-off-by: Michal Hocko <mho...@suse.com>
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
arch/x86/Kconfig | 4
arch/x86/mm/init_
This does not use existing page table walker because we want to share
same code for our page fault handler.
Changed since v2:
- s/device unaddressable/device private/
Changes since v1:
- Use spinlock instead of rcu synchronized list traversal
Signed-off-by: Jérôme Glisse
Signed-off
and select CONFIG_ARCH_HAS_ADD_PAGES. All others use
the currently existing __add_pages.
Signed-off-by: Michal Hocko
Signed-off-by: Jérôme Glisse
---
arch/x86/Kconfig | 4
arch/x86/mm/init_64.c | 22 +++---
include/linux/memory_hotplug.h | 11 +++
3
Allow to unmap and restore special swap entry of un-addressable
ZONE_DEVICE memory.
Changed since v1:
- s/device unaddressable/device private/
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
---
include/linux/migrate.h |
Allow to unmap and restore special swap entry of un-addressable
ZONE_DEVICE memory.
Changed since v1:
- s/device unaddressable/device private/
Signed-off-by: Jérôme Glisse
Cc: Kirill A. Shutemov
---
include/linux/migrate.h | 10 +++-
mm/migrate.c| 134
for device that
have large pool of such like GPU, NVidia plans to use HMM for that.
Changes since v3:
- Rebase
Changes since v2:
- droped HMM prefix and HMM specific code
Changes since v1:
- typos fix
- split early unmap optimization for page with single mapping
Signed-off-by: Jérôme Glisse
for device that
have large pool of such like GPU, NVidia plans to use HMM for that.
Changes since v3:
- Rebase
Changes since v2:
- droped HMM prefix and HMM specific code
Changes since v1:
- typos fix
- split early unmap optimization for page with single mapping
Signed-off-by: Jérôme Glisse
Common case for migration of virtual address range is page are map
only once inside the vma in which migration is taking place. Because
we already walk the CPU page table for that range we can directly do
the unmap there and setup special migration swap entry.
Signed-off-by: Jérôme Glisse <j
Common case for migration of virtual address range is page are map
only once inside the vma in which migration is taking place. Because
we already walk the CPU page table for that range we can directly do
the unmap there and setup special migration swap entry.
Signed-off-by: Jérôme Glisse
Signed
:
- rename to device private memory (from device unaddressable)
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Dan Williams <dan.j.willi...@intel.com>
Cc: Ross Zwisler <ross.zwis...@linux.intel.com>
---
fs/proc/task_mmu.c | 7 +
include/linux/ioport.h |
:
- rename to device private memory (from device unaddressable)
Signed-off-by: Jérôme Glisse
Cc: Dan Williams
Cc: Ross Zwisler
---
fs/proc/task_mmu.c | 7 +
include/linux/ioport.h | 1 +
include/linux/memremap.h | 70
include
/Articles/720715/
v21 https://lkml.org/lkml/2017/4/24/747
Jérôme Glisse (14):
hmm: heterogeneous memory management documentation
mm/hmm: heterogeneous memory management (HMM for short) v3
mm/hmm/mirror: mirror process address space on device with HMM helpers
v3
mm/hmm/mirror: helper
/Articles/720715/
v21 https://lkml.org/lkml/2017/4/24/747
Jérôme Glisse (14):
hmm: heterogeneous memory management documentation
mm/hmm: heterogeneous memory management (HMM for short) v3
mm/hmm/mirror: mirror process address space on device with HMM helpers
v3
mm/hmm/mirror: helper
When we free kernel virtual map we should synchronize p4d/pud for
all the pgds to avoid any stall entry in non canonical pgd.
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
Cc: Andrew Morton <a...@linux-foundation.org&g
irill.shute...@linux.intel.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Ingo Molnar <mi...@kernel.org>
Cc: Michal Hocko <mho...@suse.com>
Cc: Mel Gorman <mgor...@suse.de>
Jérôme Glisse (1):
x86/mm: synchronize pgd in vmemmap_free()
arch/x86/mm/init_64.c | 17
When we free kernel virtual map we should synchronize p4d/pud for
all the pgds to avoid any stall entry in non canonical pgd.
Signed-off-by: Jérôme Glisse
Cc: Kirill A. Shutemov
Cc: Andrew Morton
Cc: Ingo Molnar
Cc: Michal Hocko
Cc: Mel Gorman
---
arch/x86/mm/init_64.c | 17
w Morton
Cc: Ingo Molnar
Cc: Michal Hocko
Cc: Mel Gorman
Jérôme Glisse (1):
x86/mm: synchronize pgd in vmemmap_free()
arch/x86/mm/init_64.c | 17 ++---
1 file changed, 10 insertions(+), 7 deletions(-)
--
2.4.11
Common case for migration of virtual address range is page are map
only once inside the vma in which migration is taking place. Because
we already walk the CPU page table for that range we can directly do
the unmap there and setup special migration swap entry.
Signed-off-by: Jérôme Glisse <j
Common case for migration of virtual address range is page are map
only once inside the vma in which migration is taking place. Because
we already walk the CPU page table for that range we can directly do
the unmap there and setup special migration swap entry.
Signed-off-by: Jérôme Glisse
Signed
to all of
those 3 functionality.
Changed since v2:
- s/device unaddressable/device private
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-
to all of
those 3 functionality.
Changed since v2:
- s/device unaddressable/device private
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed
rdware in the future.
Changed since v2:
- s/device unaddressable/device private/
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: J
This does not use existing page table walker because we want to share
same code for our page fault handler.
Changed since v2:
- s/device unaddressable/device private/
Changes since v1:
- Use spinlock instead of rcu synchronized list traversal
Signed-off-by: Jérôme Glisse <jgli...@redhat.
rdware in the future.
Changed since v2:
- s/device unaddressable/device private/
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by:
This does not use existing page table walker because we want to share
same code for our page fault handler.
Changed since v2:
- s/device unaddressable/device private/
Changes since v1:
- Use spinlock instead of rcu synchronized list traversal
Signed-off-by: Jérôme Glisse
Signed-off
This handle page fault on behalf of device driver, unlike handle_mm_fault()
it does not trigger migration back to system memory for device memory.
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: John Hu
This handle page fault on behalf of device driver, unlike handle_mm_fault()
it does not trigger migration back to system memory for device memory.
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by: Sherry Cheung
Allow to unmap and restore special swap entry of un-addressable
ZONE_DEVICE memory.
Changed since v1:
- s/device unaddressable/device private/
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
---
include/linux/migrate.h |
Allow to unmap and restore special swap entry of un-addressable
ZONE_DEVICE memory.
Changed since v1:
- s/device unaddressable/device private/
Signed-off-by: Jérôme Glisse
Cc: Kirill A. Shutemov
---
include/linux/migrate.h | 10 +++-
mm/migrate.c| 136
memory than having to fault later
on.
Changed since v1:
- 5 level page table fix
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
mm/migrate.c | 135 +--
1 file changed, 131 insertions(+), 4 deletions(-)
diff --git a/mm/migra
memory than having to fault later
on.
Changed since v1:
- 5 level page table fix
Signed-off-by: Jérôme Glisse
---
mm/migrate.c | 135 +--
1 file changed, 131 insertions(+), 4 deletions(-)
diff --git a/mm/migrate.c b/mm/migrate.c
index
v3:
- s/device unaddressable/device private/
Changed since v2:
- s/SECTION_SIZE/PA_SECTION_SIZE
Changed since v1:
- change to adapt to new add_pages() helper
- make this x86-64 only for now
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov &
page refcount never reach 0).
This patch is just a preparatory patch for HMM.
Changes since v1:
- commit message
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Reviewed-by: Dan Williams <dan.j.willi...@intel.com>
Cc: Ross Zwisler <ross.zwis...@linux.intel.com>
---
inclu
v3:
- s/device unaddressable/device private/
Changed since v2:
- s/SECTION_SIZE/PA_SECTION_SIZE
Changed since v1:
- change to adapt to new add_pages() helper
- make this x86-64 only for now
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed
page refcount never reach 0).
This patch is just a preparatory patch for HMM.
Changes since v1:
- commit message
Signed-off-by: Jérôme Glisse
Reviewed-by: Dan Williams
Cc: Ross Zwisler
---
include/linux/mm.h | 14 +++---
kernel/memremap.c | 6 ++
2 files changed, 17 insertions
This add documentation for HMM (Heterogeneous Memory Management). It
presents the motivation behind it, the features necessary for it to
be useful and and gives an overview of how this is implemented.
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
Documentation/vm/hmm.txt
This add documentation for HMM (Heterogeneous Memory Management). It
presents the motivation behind it, the features necessary for it to
be useful and and gives an overview of how this is implemented.
Signed-off-by: Jérôme Glisse
---
Documentation/vm/hmm.txt | 362
device_initcall() and drop everything that is module specific
Changed since v1:
- Improve commit message
- Add drvdata parameter to set on struct device
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: John Hubbard <jhub
for device that
have large pool of such like GPU, NVidia plans to use HMM for that.
Changes since v3:
- Rebase
Changes since v2:
- droped HMM prefix and HMM specific code
Changes since v1:
- typos fix
- split early unmap optimization for page with single mapping
Signed-off-by: Jérôme Glisse
device_initcall() and drop everything that is module specific
Changed since v1:
- Improve commit message
- Add drvdata parameter to set on struct device
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by: Sherry Cheung
for device that
have large pool of such like GPU, NVidia plans to use HMM for that.
Changes since v3:
- Rebase
Changes since v2:
- droped HMM prefix and HMM specific code
Changes since v1:
- typos fix
- split early unmap optimization for page with single mapping
Signed-off-by: Jérôme Glisse
:
- rename to device private memory (from device unaddressable)
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Dan Williams <dan.j.willi...@intel.com>
Cc: Ross Zwisler <ross.zwis...@linux.intel.com>
---
fs/proc/task_mmu.c | 7 +
include/linux/ioport.h |
for thing like HMM (see include/linux/hmm.h).
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
fs/aio.c | 8 +++
fs/f2fs/data.c | 5 -
fs/hugetlbfs/inode.c | 5 -
fs/ubifs/file.c | 5 -
include/linux/migrate.h
:
- rename to device private memory (from device unaddressable)
Signed-off-by: Jérôme Glisse
Cc: Dan Williams
Cc: Ross Zwisler
---
fs/proc/task_mmu.c | 7 +
include/linux/ioport.h | 1 +
include/linux/memremap.h | 82
include
for thing like HMM (see include/linux/hmm.h).
Signed-off-by: Jérôme Glisse
---
fs/aio.c | 8 +++
fs/f2fs/data.c | 5 -
fs/hugetlbfs/inode.c | 5 -
fs/ubifs/file.c | 5 -
include/linux/migrate.h | 5 +
include/linux
ne its
implementation and select CONFIG_ARCH_HAS_ADD_PAGES. All others use
the currently existing __add_pages.
Signed-off-by: Michal Hocko <mho...@suse.com>
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
arch/x86/Kconfig | 4
arch/x86/mm/init_
and select CONFIG_ARCH_HAS_ADD_PAGES. All others use
the currently existing __add_pages.
Signed-off-by: Michal Hocko
Signed-off-by: Jérôme Glisse
---
arch/x86/Kconfig | 4
arch/x86/mm/init_64.c | 22 +++---
include/linux/memory_hotplug.h | 11 +++
3
://lwn.net/Articles/720715/
Jérôme Glisse (14):
mm/put_page: move ZONE_DEVICE page reference decrement v2
mm/private-memory: new type of ZONE_DEVICE for unaddressable memory v2
mm/migrate: new migrate mode MIGRATE_SYNC_NO_COPY
mm/migrate: new memory migration helper for use with device memory v4
://lwn.net/Articles/720715/
Jérôme Glisse (14):
mm/put_page: move ZONE_DEVICE page reference decrement v2
mm/private-memory: new type of ZONE_DEVICE for unaddressable memory v2
mm/migrate: new migrate mode MIGRATE_SYNC_NO_COPY
mm/migrate: new memory migration helper for use with device memory v4
device_initcall() and drop everything that is module specific
Changed since v1:
- Improve commit message
- Add drvdata parameter to set on struct device
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: John Hubbard <jhub
device_initcall() and drop everything that is module specific
Changed since v1:
- Improve commit message
- Add drvdata parameter to set on struct device
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by: Sherry Cheung
to all of
those 3 functionality.
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: John Hubbard <jhubb...@nvidia.com>
Signed-off-
rdware in the future.
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: John Hubbard <jhubb...@nvidia.com>
Signed-off-by:
to all of
those 3 functionality.
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by: Sherry Cheung
Signed-off-by: Subhash Gutti
rdware in the future.
Changed since v1:
- Kconfig logic (depend on x86-64 and use ARCH_HAS pattern)
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by: Sherry Cheung
Signed-off-by: Subhash Gutti
---
include
ne its
implementation and select CONFIG_ARCH_HAS_ADD_PAGES. All others use
the currently existing __add_pages.
Signed-off-by: Michal Hocko <mho...@suse.com>
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
arch/x86/Kconfig | 4
arch/x86/mm/init_
and select CONFIG_ARCH_HAS_ADD_PAGES. All others use
the currently existing __add_pages.
Signed-off-by: Michal Hocko
Signed-off-by: Jérôme Glisse
---
arch/x86/Kconfig | 4
arch/x86/mm/init_64.c | 22 +++---
include/linux/memory_hotplug.h | 11 +++
3
-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Dan Williams <dan.j.willi...@intel.com>
Cc: Ross Zwisler <ross.zwis...@linux.intel.com>
---
fs/proc/task_mmu.c | 7 +
include/linux/ioport.h | 1 +
include/linux/memremap.h | 82 +
-by: Jérôme Glisse
Cc: Dan Williams
Cc: Ross Zwisler
---
fs/proc/task_mmu.c | 7 +
include/linux/ioport.h | 1 +
include/linux/memremap.h | 82
include/linux/swap.h | 24 --
include/linux/swapops.h | 68
for thing like HMM (see include/linux/hmm.h).
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
fs/aio.c | 8 +++
fs/f2fs/data.c | 5 -
fs/hugetlbfs/inode.c | 5 -
fs/ubifs/file.c | 5 -
include/linux/migrate.h
Allow to unmap and restore special swap entry of un-addressable
ZONE_DEVICE memory.
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
---
include/linux/migrate.h | 10 +++-
mm/migrate.c
for thing like HMM (see include/linux/hmm.h).
Signed-off-by: Jérôme Glisse
---
fs/aio.c | 8 +++
fs/f2fs/data.c | 5 -
fs/hugetlbfs/inode.c | 5 -
fs/ubifs/file.c | 5 -
include/linux/migrate.h | 5 +
include/linux
Allow to unmap and restore special swap entry of un-addressable
ZONE_DEVICE memory.
Signed-off-by: Jérôme Glisse
Cc: Kirill A. Shutemov
---
include/linux/migrate.h | 10 +++-
mm/migrate.c| 136 ++--
mm/page_vma_mapped.c| 10
mm
for device that
have large pool of such like GPU, NVidia plans to use HMM for that.
Changes since v3:
- Rebase
Changes since v2:
- droped HMM prefix and HMM specific code
Changes since v1:
- typos fix
- split early unmap optimization for page with single mapping
Signed-off-by: Jérôme Glisse
for device that
have large pool of such like GPU, NVidia plans to use HMM for that.
Changes since v3:
- Rebase
Changes since v2:
- droped HMM prefix and HMM specific code
Changes since v1:
- typos fix
- split early unmap optimization for page with single mapping
Signed-off-by: Jérôme Glisse
page refcount never reach 0).
This patch is just a preparatory patch for HMM.
Changes since v1:
- commit message
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Dan Williams <dan.j.willi...@intel.com>
Cc: Ross Zwisler <ross.zwis...@linux.intel.com>
---
inclu
page refcount never reach 0).
This patch is just a preparatory patch for HMM.
Changes since v1:
- commit message
Signed-off-by: Jérôme Glisse
Cc: Dan Williams
Cc: Ross Zwisler
---
include/linux/mm.h | 14 +++---
kernel/memremap.c | 6 ++
2 files changed, 17 insertions(+), 3
This add documentation for HMM (Heterogeneous Memory Management). It
presents the motivation behind it, the features necessary for it to
be useful and and gives an overview of how this is implemented.
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
Documentation/vm/hmm.txt
This add documentation for HMM (Heterogeneous Memory Management). It
presents the motivation behind it, the features necessary for it to
be useful and and gives an overview of how this is implemented.
Signed-off-by: Jérôme Glisse
---
Documentation/vm/hmm.txt | 362
This handle page fault on behalf of device driver, unlike handle_mm_fault()
it does not trigger migration back to system memory for device memory.
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Signed-off-by: Evgeny Baskakov <ebaska...@nvidia.com>
Signed-off-by: John Hu
memory than having to fault later
on.
Changed since v1:
- 5 level page table fix
Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
---
mm/migrate.c | 135 +--
1 file changed, 131 insertions(+), 4 deletions(-)
diff --git a/mm/migra
This handle page fault on behalf of device driver, unlike handle_mm_fault()
it does not trigger migration back to system memory for device memory.
Signed-off-by: Jérôme Glisse
Signed-off-by: Evgeny Baskakov
Signed-off-by: John Hubbard
Signed-off-by: Mark Hairgrove
Signed-off-by: Sherry Cheung
memory than having to fault later
on.
Changed since v1:
- 5 level page table fix
Signed-off-by: Jérôme Glisse
---
mm/migrate.c | 135 +--
1 file changed, 131 insertions(+), 4 deletions(-)
diff --git a/mm/migrate.c b/mm/migrate.c
index
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