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Diffstat (limited to 'arch/powerpc/mm/hugetlbpage.c')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 5df82186fc9..e2a650a9e53 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -110,6 +110,22 @@ pmd_t *hpmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long addr) } #endif +/* Build list of addresses of gigantic pages. This function is used in early + * boot before the buddy or bootmem allocator is setup. + */ +void add_gpage(unsigned long addr, unsigned long page_size, + unsigned long number_of_pages) +{ + if (!addr) + return; + while (number_of_pages > 0) { + gpage_freearray[nr_gpages] = addr; + nr_gpages++; + number_of_pages--; + addr += page_size; + } +} + /* Moves the gigantic page addresses from the temporary list to the * huge_boot_pages list. */ int alloc_bootmem_huge_page(struct hstate *h) |