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c7d9f77d33
linux_dsm_epyc7002/arch/sparc/include/asm
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Nitin Gupta c7d9f77d33 sparc64: Multi-page size support 
Add support for using multiple hugepage sizes simultaneously
on mainline. Currently, support for 256M has been added which
can be used along with 8M pages.

Page tables are set like this (e.g. for 256M page):
    VA + (8M * x) -> PA + (8M * x) (sz bit = 256M) where x in [0, 31]

and TSB is set similarly:
    VA + (4M * x) -> PA + (4M * x) (sz bit = 256M) where x in [0, 63]

- Testing

Tested on Sonoma (which supports 256M pages) by running stream
benchmark instances in parallel: one instance uses 8M pages and
another uses 256M pages, consuming 48G each.

Boot params used:

default_hugepagesz=256M hugepagesz=256M hugepages=300 hugepagesz=8M
hugepages=10000

Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-23 08:30:28 -08:00
..
agp.h agp: kill phys_to_gart() and gart_to_phys() 2009-08-03 09:05:00 +01:00
apb.h
asm-offsets.h kbuild: move asm-offsets.h to include/generated 2009-12-12 13:08:14 +01:00
asm.h sparc: Add asm/asm.h 2008-12-09 00:50:13 -08:00
asmmacro.h sparc32: add support for run-time patching of leon/sun single instructions 2012-05-27 23:52:43 -07:00
atomic_32.h locking/atomic: Remove linux/atomic.h:atomic_fetch_or() 2016-06-16 10:48:32 +02:00
atomic_64.h locking/atomic, arch/sparc: Implement atomic{,64}_fetch_{add,sub,and,or,xor}() 2016-06-16 10:48:30 +02:00
atomic.h locking/atomic: Remove linux/atomic.h:atomic_fetch_or() 2016-06-16 10:48:32 +02:00
auxio_32.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
auxio_64.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
auxio.h sparc32: fix sparse warnings in auxio_32.c 2014-04-29 01:12:26 -04:00
backoff.h sparc64: Improvde documentation and readability of atomic backoff code. 2012-10-28 13:04:47 -07:00
barrier_32.h sparc: reuse asm-generic/barrier.h 2016-01-12 20:46:49 +02:00
barrier_64.h sparc: define __smp_xxx 2016-01-12 20:46:57 +02:00
barrier.h Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
bbc.h
bitext.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
bitops_32.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 2014-06-19 07:50:07 -10:00
bitops_64.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 2014-06-19 07:50:07 -10:00
bitops.h
btext.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
bug.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
bugs.h sparc64: Implement SSTATE purely using notifiers and initcalls. 2008-09-02 00:49:38 -07:00
cache.h sparc32: Remove completely unused code from asm/cache.h 2012-05-19 21:15:37 -07:00
cacheflush_32.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
cacheflush_64.h mm/debug_pagealloc: fix build failure on ppc and some other archs 2015-02-05 13:35:30 -08:00
cacheflush.h sparc32: use flushi when run-time patching in per_cpu_patch 2012-05-20 13:33:36 -07:00
cachetlb_32.h sparc32: Move cache and TLB flushes over to method ops. 2012-05-13 20:49:31 -07:00
chafsr.h
checksum_32.h Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
checksum_64.h Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
checksum.h
chmctrl.h
clock.h
cmpxchg_32.h arch: Remove __ARCH_HAVE_CMPXCHG 2015-05-13 10:55:42 +02:00
cmpxchg_64.h arch: Remove __ARCH_HAVE_CMPXCHG 2015-05-13 10:55:42 +02:00
cmpxchg.h Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
compat_signal.h sparc: Convert naked unsigned uses to unsigned int 2016-03-20 21:28:58 -07:00
compat.h sparc/compat: provide an accurate in_compat_syscall implementation 2016-03-22 15:36:02 -07:00
contregs.h sparc32: Remove sun4{,c} control reg definitions from contregs.h. 2012-05-11 21:29:17 -07:00
cpu_type.h sparc32: Remove sun4 and sun4c from enum sparc_cpu. 2012-05-12 00:23:23 -07:00
cpudata_32.h sparc: Replace __get_cpu_var uses 2014-08-26 13:45:55 -04:00
cpudata_64.h sparc64: Setup a scheduling domain for highest level cache. 2016-10-24 11:04:17 -07:00
cpudata.h sparc: fix sparse warnings in cpu.c 2014-04-29 01:12:25 -04:00
current.h
dcr.h
dcu.h
delay_32.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
delay_64.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
delay.h
device.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
dma-mapping.h dma-mapping: always provide the dma_map_ops based implementation 2016-01-20 17:09:18 -08:00
dma.h sparc32: Convert mmu_* interfaces from btfixup to method ops. 2012-05-13 13:57:05 -07:00
ebus_dma.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
ecc.h
eeprom.h
elf_32.h default SET_PERSONALITY() in linux/elf.h 2013-02-26 02:46:08 -05:00
elf_64.h sparc64: separate extable_64.h, switch elf_64.h to it 2016-10-05 18:38:40 -04:00
elf.h
estate.h
extable_64.h sparc64: separate extable_64.h, switch elf_64.h to it 2016-10-05 18:38:40 -04:00
fb.h sparc: Really fix "console=" for serial consoles. 2010-08-16 12:26:09 -07:00
fbio.h UAPI: (Scripted) Disintegrate arch/sparc/include/asm 2012-10-09 09:47:43 +01:00
fhc.h sparc64: Rewrite central driver. 2008-08-31 20:56:15 -07:00
floppy_32.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
floppy_64.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
floppy.h
fpumacro.h
ftrace.h ftrace: Remove CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST from config 2016-08-24 12:15:13 +02:00
futex_32.h
futex_64.h Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
futex.h
hardirq_32.h hardirq: Make hardirq bits generic 2013-11-13 20:21:46 +01:00
hardirq_64.h hardirq: Make hardirq bits generic 2013-11-13 20:21:46 +01:00
hardirq.h
head_32.h sparc32: drop hardcoding trap_level in kgdb_trap 2016-05-20 17:55:41 -07:00
head_64.h sparc64: Fix return from trap window fill crashes. 2016-05-29 18:55:54 -07:00
head.h
hibernate.h sparc64: Hibernation support 2013-03-20 11:06:54 -07:00
highmem.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
hugetlb.h sparc64: Trim page tables for 8M hugepages 2016-07-29 10:49:16 -07:00
hvtramp.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
hw_irq.h
hypervisor.h sparc64: Enable sun4v dma ops to use IOMMU v2 APIs 2016-11-18 11:17:00 -08:00
ide.h
idprom.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
intr_queue.h
io_32.h sparc32: remove stale RTC_PORT definition 2016-06-04 15:43:15 +02:00
io_64.h arch/*/io.h: Add ioremap_wt() to all architectures 2015-06-07 15:28:57 +02:00
io-unit.h sparc32: fix sparse warning in io-unit.c 2014-05-18 19:01:26 -07:00
io.h sparc: io: remove duplicate relaxed accessors on sparc32 2014-11-19 10:19:45 +01:00
ioctls.h UAPI: (Scripted) Disintegrate arch/sparc/include/asm 2012-10-09 09:47:43 +01:00
iommu_32.h sparc32: fix sparse warning in iommu.c 2014-05-18 19:01:26 -07:00
iommu_64.h sparc64: Initialize iommu_map_table and iommu_pool 2016-11-18 11:16:59 -08:00
iommu.h
irq_32.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
irq_64.h nmi_backtrace: add more trigger_*_cpu_backtrace() methods 2016-10-07 18:46:30 -07:00
irq.h
irqflags_32.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
irqflags_64.h sparc/irqs: Do not trace arch_local_{*,irq_*} functions 2011-07-06 08:00:29 -07:00
irqflags.h
jump_label.h locking/static_keys: Add a new static_key interface 2015-08-03 11:34:15 +02:00
Kbuild sched/cputime: Remove generic asm headers 2017-02-01 09:14:07 +01:00
kdebug_32.h sparc32: kernel/trace/trace.c wants DIE_OOPS 2008-11-01 21:44:01 -07:00
kdebug_64.h sparc64:Support User Probes for sparc 2016-12-11 18:01:51 -08:00
kdebug.h
kgdb.h sparc32: drop hardcoding trap_level in kgdb_trap 2016-05-20 17:55:41 -07:00
kmap_types.h kmap_types: make most arches use generic header file 2009-06-16 19:47:51 -07:00
kprobes.h sparc64: fix sparse warning in kprobes.c 2014-05-18 19:01:34 -07:00
ldc.h sparc/ldc: create separate ldc_unbind from ldc_free 2014-12-11 18:52:45 -08:00
leon_amba.h sparc32, leon: Remove separate "ticker" timer for SMP 2013-06-19 02:10:29 -07:00
leon_pci.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
leon.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
lsu.h
machines.h sparc32: Trivial removal of sun4c references in comments. 2012-05-12 00:35:45 -07:00
mbus.h sparc32: Remove cypress cpu support. 2012-05-15 10:22:00 -07:00
mc146818rtc_32.h
mc146818rtc_64.h sparc64: Use generic CMOS driver. 2008-08-29 14:16:48 -07:00
mc146818rtc.h sparc32: fix sparse warnings in time_32.c 2014-05-18 19:01:27 -07:00
mdesc.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
memctrl.h sparc64: Add generic interface for registering a dimm printing handler. 2008-08-24 22:08:34 -07:00
mman.h UAPI: (Scripted) Disintegrate arch/sparc/include/asm 2012-10-09 09:47:43 +01:00
mmu_32.h sparc32: add irq + smp declarations to headers 2011-03-16 18:19:08 -07:00
mmu_64.h sparc64 mm: Fix base TSB sizing when hugetlb pages are used 2016-07-28 21:22:12 -07:00
mmu_context_32.h sparc32: centralize all mmu context handling in srmmu.c 2012-07-26 16:46:16 -07:00
mmu_context_64.h sparc: use symbolic names for tsb indexing 2016-12-27 10:56:55 -08:00
mmu_context.h
mmu.h
mmzone.h Fix node_start/end_pfn() definition for mm/page_cgroup.c 2011-06-27 14:13:09 -07:00
msi.h
mxcc.h
nmi.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
ns87303.h Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
obio.h sparc: Convert naked unsigned uses to unsigned int 2016-03-20 21:28:58 -07:00
openprom.h sparc: Convert naked unsigned uses to unsigned int 2016-03-20 21:28:58 -07:00
oplib_32.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
oplib_64.h sparc64: Fix register corruption in top-most kernel stack frame during boot. 2014-10-24 09:52:49 -07:00
oplib.h
page_32.h sparc32: fix build with STRICT_MM_TYPECHECKS 2016-05-20 17:55:42 -07:00
page_64.h sparc64: Multi-page size support 2017-02-23 08:30:28 -08:00
page.h sparc: move page_to_phys to page.h 2014-05-02 01:30:20 -04:00
parport.h sparc: include: asm: drop owner assignment from platform_drivers 2014-10-20 16:20:14 +02:00
pbm.h
pci_32.h PCI: Remove unused pci_dma_burst_advice() 2015-06-08 07:56:43 -05:00
pci_64.h PCI: Unify pci_resource_to_user() declarations 2016-06-17 14:43:34 -05:00
pci.h PCI: Move pci_dma_* helpers to common code 2016-03-07 10:40:02 -06:00
pcic.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
pcr.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
percpu_32.h
percpu_64.h sparc64: Get rid of real_setup_per_cpu_areas(). 2009-06-16 04:56:23 -07:00
percpu.h
perf_event.h perf, arch: Cleanup perf-pmu init vs lockup-detector 2010-11-26 15:14:56 +01:00
pgalloc_32.h sparc32: drop superfluous cast in calls to __nocache_pa() 2016-05-20 17:55:42 -07:00
pgalloc_64.h sparc: get rid of superfluous __GFP_REPEAT 2016-06-24 17:23:52 -07:00
pgalloc.h
pgtable_32.h sparc32: fix build with STRICT_MM_TYPECHECKS 2016-05-20 17:55:42 -07:00
pgtable_64.h sparc64: Multi-page size support 2017-02-23 08:30:28 -08:00
pgtable.h
pgtsrmmu.h sparc: drop pte_file()-related helpers 2015-02-10 14:30:33 -08:00
pil.h sparc64: Reschedule KGDB capture to a software interrupt. 2009-03-18 23:51:57 -07:00
processor_32.h locking/core: Provide common cpu_relax_yield() definition 2016-11-17 08:17:36 +01:00
processor_64.h locking/core: Provide common cpu_relax_yield() definition 2016-11-17 08:17:36 +01:00
processor.h sparc: reuse asm-generic/barrier.h 2016-01-12 20:46:49 +02:00
prom.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
psr.h UAPI: (Scripted) Disintegrate arch/sparc/include/asm 2012-10-09 09:47:43 +01:00
ptrace.h sparc64:Support User Probes for sparc 2016-12-11 18:01:51 -08:00
ross.h
sbi.h
scratchpad.h
seccomp.h sparc: switch to using asm-generic for seccomp.h 2015-04-17 09:04:10 -04:00
sections.h sparc32: add support for run-time patching of leon/sun single instructions 2012-05-27 23:52:43 -07:00
setup.h sparc64: Migrate hvcons irq to panicked cpu 2017-02-23 08:27:24 -08:00
sfafsr.h
sfp-machine_32.h sparc32: remove cast from output constraints in math asm statements 2014-05-18 19:01:28 -07:00
sfp-machine_64.h
sfp-machine.h
shmparam_32.h sparc32: Remove sun4 and sun4c from enum sparc_cpu. 2012-05-12 00:23:23 -07:00
shmparam_64.h
shmparam.h
sigcontext.h sparc: Convert naked unsigned uses to unsigned int 2016-03-20 21:28:58 -07:00
siginfo.h UAPI: (Scripted) Disintegrate arch/sparc/include/asm 2012-10-09 09:47:43 +01:00
signal.h consolidate kernel-side struct sigaction declarations 2013-02-03 15:09:22 -05:00
smp_32.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
smp_64.h sparc64: Fix non-SMP build. 2016-09-28 20:40:52 -04:00
smp.h
sparsemem.h sparc64: Fix inconsistent max-physical-address defines. 2013-11-12 15:22:34 -08:00
spinlock_32.h sparc32: Fix old style declaration GCC warnings 2016-10-24 11:04:18 -07:00
spinlock_64.h sparc64: Fix old style declaration GCC warnings 2016-10-24 11:04:17 -07:00
spinlock_types.h locking: Convert raw_rwlock to arch_rwlock 2009-12-14 23:55:32 +01:00
spinlock.h
spitfire.h sparc64: recognize and support Sonoma CPU type 2016-04-21 16:43:47 -04:00
stacktrace.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
starfire.h arch: sparc: kernel: starfire.c: Remove unused function 2015-03-01 21:33:58 -08:00
string_32.h [sparc] unify 32bit and 64bit string.h 2016-08-07 23:55:48 -04:00
string_64.h [sparc] unify 32bit and 64bit string.h 2016-08-07 23:55:48 -04:00
string.h [sparc] unify 32bit and 64bit string.h 2016-08-07 23:55:48 -04:00
sunbpp.h
swift.h
switch_to_32.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
switch_to_64.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
switch_to.h Disintegrate asm/system.h for Sparc 2012-03-28 18:30:03 +01:00
syscall.h sparc/syscall: fix syscall_get_arch 2016-03-22 15:36:02 -07:00
syscalls.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
termbits.h UAPI: (Scripted) Disintegrate arch/sparc/include/asm 2012-10-09 09:47:43 +01:00
termios.h UAPI: (Scripted) Disintegrate arch/sparc/include/asm 2012-10-09 09:47:43 +01:00
thread_info_32.h sparc: Fix execution domain removal 2015-04-12 21:03:31 +02:00
thread_info_64.h sparc64:Support User Probes for sparc 2016-12-11 18:01:51 -08:00
thread_info.h
timer_32.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
timer_64.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
timer.h
timex_32.h sparc32: generic clockevent support 2012-04-15 10:28:50 -07:00
timex_64.h
timex.h
tlb_32.h
tlb_64.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
tlb.h
tlbflush_32.h sparc32: Move cache and TLB flushes over to method ops. 2012-05-13 20:49:31 -07:00
tlbflush_64.h sparc64: Multi-page size support 2017-02-23 08:30:28 -08:00
tlbflush.h
topology_32.h
topology_64.h sparc: topology_64.h: Fix condition for including cpudata.h 2017-02-23 08:21:45 -08:00
topology.h
trap_block.h sparc: Resolve conflict between sparc v9 and M7 on usage of bit 9 of TTE 2015-05-31 22:15:01 -07:00
traps.h UAPI: (Scripted) Disintegrate arch/sparc/include/asm 2012-10-09 09:47:43 +01:00
tsb.h sparc64: Trim page tables for 8M hugepages 2016-07-29 10:49:16 -07:00
tsunami.h
ttable.h sparc64:Support User Probes for sparc 2016-12-11 18:01:51 -08:00
turbosparc.h
uaccess_32.h Merge branch 'uaccess-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-09-14 09:35:05 -07:00
uaccess_64.h sparc64: Delete now unused user copy fixup functions. 2016-10-24 21:26:04 -07:00
uaccess.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
unaligned.h
unistd.h sys_sgetmask/sys_ssetmask: add CONFIG_SGETMASK_SYSCALL 2014-06-04 16:54:14 -07:00
upa.h
uprobes.h sparc64: fix for user probes in high memory 2017-02-23 08:22:28 -08:00
user.h
vaddrs.h sparc32: drop fixmap.h 2012-07-26 16:46:16 -07:00
vga.h BUG: headers with BUG/BUG_ON etc. need linux/bug.h 2012-03-04 17:54:34 -05:00
viking.h
vio.h vio: create routines for inc,dec vio dring indexes 2014-12-11 18:52:45 -08:00
visasm.h sparc64: Fix userspace FPU register corruptions. 2015-08-06 19:13:25 -07:00
winmacro.h sparc32: Implement hard_smp_processor_id() via instruction patching. 2012-05-14 13:31:38 -07:00
xor_32.h
xor_64.h sparc: drop use of extern for prototypes in arch/sparc/include/asm 2014-05-18 19:01:29 -07:00
xor.h