Merge remote-tracking branches 'spi/topic/spidev', 'spi/topic/sunxi', 'spi/topic...

[linux.git] / arch / arm64 / mm / hugetlbpage.c

diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index aa8aee7d69293ef8004b4883bebde05493ece111..2e49bd252fe7643adb66906e2381159b60949520 100644 (file)
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -306,6 +306,10 @@ static __init int setup_hugepagesz(char *opt)
                hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT);
        } else if (ps == PUD_SIZE) {
                hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
+       } else if (ps == (PAGE_SIZE * CONT_PTES)) {
+               hugetlb_add_hstate(CONT_PTE_SHIFT);
+       } else if (ps == (PMD_SIZE * CONT_PMDS)) {
+               hugetlb_add_hstate((PMD_SHIFT + CONT_PMD_SHIFT) - PAGE_SHIFT);
        } else {
                hugetlb_bad_size();
                pr_err("hugepagesz: Unsupported page size %lu K\n", ps >> 10);
@@ -314,3 +318,13 @@ static __init int setup_hugepagesz(char *opt)
        return 1;
 }
 __setup("hugepagesz=", setup_hugepagesz);
+
+#ifdef CONFIG_ARM64_64K_PAGES
+static __init int add_default_hugepagesz(void)
+{
+       if (size_to_hstate(CONT_PTES * PAGE_SIZE) == NULL)
+               hugetlb_add_hstate(CONT_PMD_SHIFT);
+       return 0;
+}
+arch_initcall(add_default_hugepagesz);
+#endif