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mm: hugetlb_cma: mark hugetlb_cma{_only} as __ro_after_init

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hugetlb_cma and hugetlb_cma_only are initialized once during init and
never changed.

Link: https://lkml.kernel.org/r/20260112150954.1802953-6-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Zi Yan <ziy@nvidia.com>
Acked-by: Muchun Song <muchun.song@linux.dev>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jane Chu <jane.chu@oracle.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang 2026-01-12 23:09:54 +08:00 • committed by Andrew Morton
parent d925730734
commit ae85e56108
1 changed files with 2 additions and 2 deletions
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4
mm/hugetlb_cma.c
View file

@ -13,9 +13,9 @@
#include "hugetlb_cma.h"
static struct cma *hugetlb_cma[MAX_NUMNODES];
static struct cma *hugetlb_cma[MAX_NUMNODES] __ro_after_init;
static unsigned long hugetlb_cma_size_in_node[MAX_NUMNODES] __initdata;
static bool hugetlb_cma_only;
static bool hugetlb_cma_only __ro_after_init;
static unsigned long hugetlb_cma_size __ro_after_init;
void hugetlb_cma_free_frozen_folio(struct folio *folio)