The patch titled
Subject: hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA
has been added to the -mm mm-unstable branch. Its filename is
hugetlb-have-config_hugetlbfs-select-config_padata.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/hugetlb-have-config_hugetlbfs-select-config_padata.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Gang Li <gang.li@xxxxxxxxx>
Subject: hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA
Date: Thu, 22 Feb 2024 22:04:19 +0800
Allow hugetlb use padata_do_multithreaded for parallel initialization.
Select CONFIG_PADATA in this case.
Link: https://lkml.kernel.org/r/20240222140422.393911-7-gang.li@xxxxxxxxx
Signed-off-by: Gang Li <ligang.bdlg@xxxxxxxxxxxxx>
Tested-by: David Rientjes <rientjes@xxxxxxxxxx>
Reviewed-by: Muchun Song <muchun.song@xxxxxxxxx>
Tested-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/Kconfig | 1 +
1 file changed, 1 insertion(+)
--- a/fs/Kconfig~hugetlb-have-config_hugetlbfs-select-config_padata
+++ a/fs/Kconfig
@@ -261,6 +261,7 @@ menuconfig HUGETLBFS
depends on X86 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS || BROKEN
depends on (SYSFS || SYSCTL)
select MEMFD_CREATE
+ select PADATA if SMP
help
hugetlbfs is a filesystem backing for HugeTLB pages, based on
ramfs. For architectures that support it, say Y here and read
_
Patches currently in -mm which might be from gang.li@xxxxxxxxx are
hugetlb-code-clean-for-hugetlb_hstate_alloc_pages.patch
hugetlb-split-hugetlb_hstate_alloc_pages.patch
hugetlb-pass-next_nid_to_alloc-directly-to-for_each_node_mask_to_alloc.patch
padata-dispatch-works-on-different-nodes.patch
padata-downgrade-padata_do_multithreaded-to-serial-execution-for-non-smp.patch
hugetlb-have-config_hugetlbfs-select-config_padata.patch
hugetlb-parallelize-2m-hugetlb-allocation-and-initialization.patch
hugetlb-parallelize-1g-hugetlb-initialization.patch
