* + mm-generalize-hugetlb_page_size_variable.patch added to -mm tree
@ 2021-03-06 0:32 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2021-03-06 0:32 UTC (permalink / raw)
To: anshuman.khandual, benh, christophe.leroy, hch, mike.kravetz,
mm-commits, mpe, paulus
The patch titled
Subject: mm: generalize HUGETLB_PAGE_SIZE_VARIABLE
has been added to the -mm tree. Its filename is
mm-generalize-hugetlb_page_size_variable.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-generalize-hugetlb_page_size_variable.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-generalize-hugetlb_page_size_variable.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@arm.com>
Subject: mm: generalize HUGETLB_PAGE_SIZE_VARIABLE
HUGETLB_PAGE_SIZE_VARIABLE need not be defined for each individual
platform subscribing it. Instead just make it generic.
Link: https://lkml.kernel.org/r/1614914928-22039-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc]
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/ia64/Kconfig | 6 +-----
arch/powerpc/Kconfig | 6 +-----
mm/Kconfig | 7 +++++++
3 files changed, 9 insertions(+), 10 deletions(-)
--- a/arch/ia64/Kconfig~mm-generalize-hugetlb_page_size_variable
+++ a/arch/ia64/Kconfig
@@ -32,6 +32,7 @@ config IA64
select TTY
select HAVE_ARCH_TRACEHOOK
select HAVE_VIRT_CPU_ACCOUNTING
+ select HUGETLB_PAGE_SIZE_VARIABLE if HUGETLB_PAGE
select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select GENERIC_PENDING_IRQ if SMP
@@ -82,11 +83,6 @@ config STACKTRACE_SUPPORT
config GENERIC_LOCKBREAK
def_bool n
-config HUGETLB_PAGE_SIZE_VARIABLE
- bool
- depends on HUGETLB_PAGE
- default y
-
config GENERIC_CALIBRATE_DELAY
bool
default y
--- a/arch/powerpc/Kconfig~mm-generalize-hugetlb_page_size_variable
+++ a/arch/powerpc/Kconfig
@@ -231,6 +231,7 @@ config PPC
select HAVE_HARDLOCKUP_DETECTOR_PERF if PERF_EVENTS && HAVE_PERF_EVENTS_NMI && !HAVE_HARDLOCKUP_DETECTOR_ARCH
select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
+ select HUGETLB_PAGE_SIZE_VARIABLE if PPC_BOOK3S_64 && HUGETLB_PAGE
select MMU_GATHER_RCU_TABLE_FREE
select MMU_GATHER_PAGE_SIZE
select HAVE_REGS_AND_STACK_ACCESS_API
@@ -415,11 +416,6 @@ config HIGHMEM
source "kernel/Kconfig.hz"
-config HUGETLB_PAGE_SIZE_VARIABLE
- bool
- depends on HUGETLB_PAGE && PPC_BOOK3S_64
- default y
-
config MATH_EMULATION
bool "Math emulation"
depends on 4xx || PPC_8xx || PPC_MPC832x || BOOKE
--- a/mm/Kconfig~mm-generalize-hugetlb_page_size_variable
+++ a/mm/Kconfig
@@ -274,6 +274,13 @@ config ARCH_ENABLE_HUGEPAGE_MIGRATION
config ARCH_ENABLE_THP_MIGRATION
bool
+config HUGETLB_PAGE_SIZE_VARIABLE
+ def_bool n
+ help
+ Allows the pageblock_order value to be dynamic instead of just standard
+ HUGETLB_PAGE_ORDER when there are multiple HugeTLB page sizes available
+ on a platform.
+
config CONTIG_ALLOC
def_bool (MEMORY_ISOLATION && COMPACTION) || CMA
_
Patches currently in -mm which might be from anshuman.khandual@arm.com are
mm-generalize-hugetlb_page_size_variable.patch
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2021-03-06 0:32 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-03-06 0:32 + mm-generalize-hugetlb_page_size_variable.patch added to -mm tree akpm
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.