From: Luiz capitulino <lcapitulino@xxxxxxxxxx>
Signed-off-by: Luiz capitulino <lcapitulino@xxxxxxxxxx>
---
mm/hugetlb.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 439c3b7..d759321 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2051,6 +2051,29 @@ void __init hugetlb_add_hstate(unsigned order)
parsed_hstate = h;
}
+static void __init hugetlb_hstate_alloc_pages_nid(struct hstate *h,
+ int nid,
+ unsigned long nr_pages)
+{
+ struct huge_bootmem_page *m;
+ unsigned long i;
+ void *addr;
+
+ for (i = 0; i < nr_pages; i++) {
+ addr = memblock_virt_alloc_nid_nopanic(
+ huge_page_size(h), huge_page_size(h),
+ 0, BOOTMEM_ALLOC_ACCESSIBLE, nid);
+ if (!addr)
+ break;
+ m = addr;
+ BUG_ON((unsigned long)virt_to_phys(m) & (huge_page_size(h) - 1));
+ list_add(&m->list, &huge_boot_pages);
+ m->hstate = h;
+ }
+
+ h->max_huge_pages += i;
+}
+
void __init hugetlb_add_nrpages_nid(unsigned order, unsigned long nid,
unsigned long nr_pages)
{
@@ -2080,6 +2103,9 @@ void __init hugetlb_add_nrpages_nid(unsigned order, unsigned long nid,
}
*p = nr_pages;
+
+ if (h->order >= MAX_ORDER)
+ hugetlb_hstate_alloc_pages_nid(h, nid, nr_pages);
}
static int __init hugetlb_nrpages_setup(char *s)
--
1.8.1.4
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