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authorFrank van der Linden <fvdl@google.com>2025-02-28 18:29:17 +0000
committerAndrew Morton <akpm@linux-foundation.org>2025-03-16 22:06:28 -0700
commit91ec71872a6d0c41abd7c53412f68111ffa060cd (patch)
tree452756efc46c8fef59c7fee1b140285c799c95f8 /mm/hugetlb.c
parentd58b2498200724e4f8c12d71a5953da03c8c8bdf (diff)
mm/hugetlb: move huge_boot_pages list init to hugetlb_bootmem_alloc
Instead of initializing the per-node hugetlb bootmem pages list from the alloc function, we can now do it in a somewhat cleaner way, since there is an explicit hugetlb_bootmem_alloc function. Initialize the lists there. Link: https://lkml.kernel.org/r/20250228182928.2645936-17-fvdl@google.com Signed-off-by: Frank van der Linden <fvdl@google.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Dan Carpenter <dan.carpenter@linaro.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> 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: Peter Zijlstra <peterz@infradead.org> 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>
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r--mm/hugetlb.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 826af96455aa..f9287d87b8b7 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3586,7 +3586,6 @@ static unsigned long __init hugetlb_pages_alloc_boot(struct hstate *h)
static void __init hugetlb_hstate_alloc_pages(struct hstate *h)
{
unsigned long allocated;
- static bool initialized __initdata;
/* skip gigantic hugepages allocation if hugetlb_cma enabled */
if (hstate_is_gigantic(h) && hugetlb_cma_size) {
@@ -3594,17 +3593,6 @@ static void __init hugetlb_hstate_alloc_pages(struct hstate *h)
return;
}
- /* hugetlb_hstate_alloc_pages will be called many times, initialize huge_boot_pages once */
- if (!initialized) {
- int i = 0;
-
- for (i = 0; i < MAX_NUMNODES; i++)
- INIT_LIST_HEAD(&huge_boot_pages[i]);
- h->next_nid_to_alloc = first_online_node;
- h->next_nid_to_free = first_online_node;
- initialized = true;
- }
-
/* do node specific alloc */
if (hugetlb_hstate_alloc_pages_specific_nodes(h))
return;
@@ -4928,13 +4916,20 @@ bool __init hugetlb_bootmem_allocated(void)
void __init hugetlb_bootmem_alloc(void)
{
struct hstate *h;
+ int i;
if (__hugetlb_bootmem_allocated)
return;
+ for (i = 0; i < MAX_NUMNODES; i++)
+ INIT_LIST_HEAD(&huge_boot_pages[i]);
+
hugetlb_parse_params();
for_each_hstate(h) {
+ h->next_nid_to_alloc = first_online_node;
+ h->next_nid_to_free = first_online_node;
+
if (hstate_is_gigantic(h))
hugetlb_hstate_alloc_pages(h);
}