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 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 via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Gang Li <gang.li@xxxxxxxxx> Subject: hugetlb: have CONFIG_HUGETLBFS select CONFIG_PADATA Date: Fri, 26 Jan 2024 23:24:09 +0800 Allow hugetlb use padata_do_multithreaded for parallel initialization. Select CONFIG_PADATA in this case. Link: https://lkml.kernel.org/r/20240126152411.1238072-6-gang.li@xxxxxxxxx Signed-off-by: Gang Li <ligang.bdlg@xxxxxxxxxxxxx> Tested-by: David Rientjes <rientjes@xxxxxxxxxx> Reviewed-by: Muchun Song <muchun.song@xxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Cc: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx> 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 @@ -262,6 +262,7 @@ menuconfig HUGETLBFS depends on X86 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS || BROKEN depends on (SYSFS || SYSCTL) select MEMFD_CREATE + select PADATA 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 padata-dispatch-works-on-different-nodes.patch hugetlb-pass-next_nid_to_alloc-directly-to-for_each_node_mask_to_alloc.patch hugetlb-have-config_hugetlbfs-select-config_padata.patch hugetlb-parallelize-2m-hugetlb-allocation-and-initialization.patch hugetlb-parallelize-1g-hugetlb-initialization.patch