diff options
| -rw-r--r-- | include/linux/hugetlb.h | 2 | ||||
| -rw-r--r-- | mm/gup.c | 6 | ||||
| -rw-r--r-- | mm/hugetlb.c | 11 |
3 files changed, 10 insertions, 9 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index d86c82749836..d5cc5f802dd4 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -511,8 +511,6 @@ struct page *alloc_huge_page_nodemask(struct hstate *h, int preferred_nid, nodemask_t *nmask, gfp_t gfp_mask); struct page *alloc_huge_page_vma(struct hstate *h, struct vm_area_struct *vma, unsigned long address); -struct page *alloc_migrate_huge_page(struct hstate *h, gfp_t gfp_mask, - int nid, nodemask_t *nmask); int huge_add_to_page_cache(struct page *page, struct address_space *mapping, pgoff_t idx); @@ -1635,11 +1635,7 @@ static struct page *new_non_cma_page(struct page *page, unsigned long private) struct hstate *h = page_hstate(page); gfp_mask = htlb_modify_alloc_mask(h, gfp_mask); - /* - * We don't want to dequeue from the pool because pool pages will - * mostly be from the CMA region. - */ - return alloc_migrate_huge_page(h, gfp_mask, nid, NULL); + return alloc_huge_page_nodemask(h, nid, NULL, gfp_mask); } #endif if (PageTransHuge(page)) { diff --git a/mm/hugetlb.c b/mm/hugetlb.c index eaab9ef88e9d..a301c2d672bf 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -19,6 +19,7 @@ #include <linux/memblock.h> #include <linux/sysfs.h> #include <linux/slab.h> +#include <linux/sched/mm.h> #include <linux/mmdebug.h> #include <linux/sched/signal.h> #include <linux/rmap.h> @@ -1040,10 +1041,16 @@ static void enqueue_huge_page(struct hstate *h, struct page *page) static struct page *dequeue_huge_page_node_exact(struct hstate *h, int nid) { struct page *page; + bool nocma = !!(current->flags & PF_MEMALLOC_NOCMA); + + list_for_each_entry(page, &h->hugepage_freelists[nid], lru) { + if (nocma && is_migrate_cma_page(page)) + continue; - list_for_each_entry(page, &h->hugepage_freelists[nid], lru) if (!PageHWPoison(page)) break; + } + /* * if 'non-isolated free hugepage' not found on the list, * the allocation fails. @@ -1935,7 +1942,7 @@ out_unlock: return page; } -struct page *alloc_migrate_huge_page(struct hstate *h, gfp_t gfp_mask, +static struct page *alloc_migrate_huge_page(struct hstate *h, gfp_t gfp_mask, int nid, nodemask_t *nmask) { struct page *page; |