| Message ID | 1540299721-26484-5-git-send-email-anshuman.khandual@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64/mm: Enable HugeTLB migration | expand |
On Tue, Oct 23, 2018 at 06:32:00PM +0530, Anshuman Khandual wrote: > Let arm64 subscribe to generic HugeTLB page migration framework. Right now > this only works on the following PMD and PUD level HugeTLB page sizes with > various kernel base page size combinations. > > CONT PTE PMD CONT PMD PUD > -------- --- -------- --- > 4K: NA 2M NA 1G > 16K: NA 32M NA > 64K: NA 512M NA > > Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> > Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Reviewed-by: Steve Capper <steve.capper@arm.com> > --- > arch/arm64/Kconfig | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index a8ae30f..4b3e269 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -1331,6 +1331,10 @@ config SYSVIPC_COMPAT > def_bool y > depends on COMPAT && SYSVIPC > > +config ARCH_ENABLE_HUGEPAGE_MIGRATION > + def_bool y > + depends on HUGETLB_PAGE && MIGRATION > + > menu "Power management options" > > source "kernel/power/Kconfig" > -- > 2.7.4 >
On Tue, Oct 23, 2018 at 06:32:00PM +0530, Anshuman Khandual wrote: > Let arm64 subscribe to generic HugeTLB page migration framework. Right now > this only works on the following PMD and PUD level HugeTLB page sizes with > various kernel base page size combinations. > > CONT PTE PMD CONT PMD PUD > -------- --- -------- --- > 4K: NA 2M NA 1G > 16K: NA 32M NA > 64K: NA 512M NA > > Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> > Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index a8ae30f..4b3e269 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1331,6 +1331,10 @@ config SYSVIPC_COMPAT def_bool y depends on COMPAT && SYSVIPC +config ARCH_ENABLE_HUGEPAGE_MIGRATION + def_bool y + depends on HUGETLB_PAGE && MIGRATION + menu "Power management options" source "kernel/power/Kconfig"
Let arm64 subscribe to generic HugeTLB page migration framework. Right now this only works on the following PMD and PUD level HugeTLB page sizes with various kernel base page size combinations. CONT PTE PMD CONT PMD PUD -------- --- -------- --- 4K: NA 2M NA 1G 16K: NA 32M NA 64K: NA 512M NA Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> --- arch/arm64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+)