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authorFrank van der Linden <fvdl@google.com>2025-02-28 21:29:21 +0300
committerAndrew Morton <akpm@linux-foundation.org>2025-03-17 08:06:29 +0300
commit665eaf313314432b5bbb5f71ec71e275ff2358e0 (patch)
treea2383eebd30b3f6988c91db2e29f8211c895e30f
parentb1222550fbf73840e31a103305d03ad53b8f5a59 (diff)
downloadlinux-665eaf313314432b5bbb5f71ec71e275ff2358e0.tar.xz
x86/setup: call hugetlb_bootmem_alloc early
Call hugetlb_bootmem_allloc in an earlier spot in setup, after hugelb_cma_reserve. This will make vmemmap preinit of the sections covered by the allocated hugetlb pages possible. Link: https://lkml.kernel.org/r/20250228182928.2645936-21-fvdl@google.com Signed-off-by: Frank van der Linden <fvdl@google.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: David Hildenbrand <david@redhat.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Joao Martins <joao.m.martins@oracle.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Muchun Song <muchun.song@linux.dev> Cc: Oscar Salvador <osalvador@suse.de> Cc: Roman Gushchin (Cruise) <roman.gushchin@linux.dev> Cc: Usama Arif <usamaarif642@gmail.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Yu Zhao <yuzhao@google.com> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--arch/x86/kernel/setup.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index cebee310e200..ff8604007b08 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1108,8 +1108,10 @@ void __init setup_arch(char **cmdline_p)
initmem_init();
dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT);
- if (boot_cpu_has(X86_FEATURE_GBPAGES))
+ if (boot_cpu_has(X86_FEATURE_GBPAGES)) {
hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT);
+ hugetlb_bootmem_alloc();
+ }
/*
* Reserve memory for crash kernel after SRAT is parsed so that it