aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm64/mm/hugetlbpage.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/mm/hugetlbpage.c')
-rw-r--r--arch/arm64/mm/hugetlbpage.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 0be3355e3499..2ac41cefe699 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -464,17 +464,26 @@ static int __init hugetlbpage_init(void)
}
arch_initcall(hugetlbpage_init);
-static __init int setup_hugepagesz(char *opt)
+bool __init arch_hugetlb_valid_size(unsigned long size)
{
- unsigned long ps = memparse(opt, &opt);
-
- switch (ps) {
+ switch (size) {
#ifdef CONFIG_ARM64_4K_PAGES
case PUD_SIZE:
#endif
case CONT_PMD_SIZE:
case PMD_SIZE:
case CONT_PTE_SIZE:
+ return true;
+ }
+
+ return false;
+}
+
+static __init int setup_hugepagesz(char *opt)
+{
+ unsigned long ps = memparse(opt, &opt);
+
+ if (arch_hugetlb_valid_size(ps)) {
add_huge_page_size(ps);
return 1;
}