diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index faf357eaf0ce..d066f7ca1ee8 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -33,6 +33,7 @@ #include <linux/page_idle.h> #include <linux/shmem_fs.h> #include <linux/oom.h> +#include <linux/numa.h> #include <asm/tlb.h> #include <asm/pgalloc.h> @@ -1475,7 +1476,7 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd) struct anon_vma *anon_vma = NULL; struct page *page; unsigned long haddr = vmf->address & HPAGE_PMD_MASK; - int page_nid = -1, this_nid = numa_node_id(); + int page_nid = NUMA_NO_NODE, this_nid = numa_node_id(); int target_nid, last_cpupid = -1; bool page_locked; bool migrated = false; @@ -1520,7 +1521,7 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd) */ page_locked = trylock_page(page); target_nid = mpol_misplaced(page, vma, haddr); - if (target_nid == -1) { + if (target_nid == NUMA_NO_NODE) { /* If the page was locked, there are no parallel migrations */ if (page_locked) goto clear_pmdnuma; @@ -1528,7 +1529,7 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd) /* Migration could have started since the pmd_trans_migrating check */ if (!page_locked) { - page_nid = -1; + page_nid = NUMA_NO_NODE; if (!get_page_unless_zero(page)) goto out_unlock; spin_unlock(vmf->ptl); @@ -1549,14 +1550,14 @@ vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd) if (unlikely(!pmd_same(pmd, *vmf->pmd))) { unlock_page(page); put_page(page); - page_nid = -1; + page_nid = NUMA_NO_NODE; goto out_unlock; } /* Bail if we fail to protect against THP splits for any reason */ if (unlikely(!anon_vma)) { put_page(page); - page_nid = -1; + page_nid = NUMA_NO_NODE; goto clear_pmdnuma; } @@ -1618,7 +1619,7 @@ out: if (anon_vma) page_unlock_anon_vma_read(anon_vma); - if (page_nid != -1) + if (page_nid != NUMA_NO_NODE) task_numa_fault(last_cpupid, page_nid, HPAGE_PMD_NR, flags); |