diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/huge_memory.c | 13 | ||||
| -rw-r--r-- | mm/hugetlb.c | 3 | ||||
| -rw-r--r-- | mm/ksm.c | 2 | ||||
| -rw-r--r-- | mm/memory.c | 7 | ||||
| -rw-r--r-- | mm/memory_hotplug.c | 12 | ||||
| -rw-r--r-- | mm/mempolicy.c | 2 | ||||
| -rw-r--r-- | mm/page_alloc.c | 4 | ||||
| -rw-r--r-- | mm/page_ext.c | 2 |
8 files changed, 24 insertions, 21 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); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 8dfdffc34a99..3c504fa6b460 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -25,6 +25,7 @@ #include <linux/swap.h> #include <linux/swapops.h> #include <linux/jhash.h> +#include <linux/numa.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -887,7 +888,7 @@ static struct page *dequeue_huge_page_nodemask(struct hstate *h, gfp_t gfp_mask, struct zonelist *zonelist; struct zone *zone; struct zoneref *z; - int node = -1; + int node = NUMA_NO_NODE; zonelist = node_zonelist(nid, gfp_mask); @@ -598,7 +598,7 @@ static struct stable_node *alloc_stable_node_chain(struct stable_node *dup, chain->chain_prune_time = jiffies; chain->rmap_hlist_len = STABLE_NODE_CHAIN; #if defined (CONFIG_DEBUG_VM) && defined(CONFIG_NUMA) - chain->nid = -1; /* debug */ + chain->nid = NUMA_NO_NODE; /* debug */ #endif ksm_stable_node_chains++; diff --git a/mm/memory.c b/mm/memory.c index e11ca9dd823f..eb40f32295d2 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -69,6 +69,7 @@ #include <linux/userfaultfd_k.h> #include <linux/dax.h> #include <linux/oom.h> +#include <linux/numa.h> #include <asm/io.h> #include <asm/mmu_context.h> @@ -3586,7 +3587,7 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct page *page = NULL; - int page_nid = -1; + int page_nid = NUMA_NO_NODE; int last_cpupid; int target_nid; bool migrated = false; @@ -3653,7 +3654,7 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf) target_nid = numa_migrate_prep(page, vma, vmf->address, page_nid, &flags); pte_unmap_unlock(vmf->pte, vmf->ptl); - if (target_nid == -1) { + if (target_nid == NUMA_NO_NODE) { put_page(page); goto out; } @@ -3667,7 +3668,7 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf) flags |= TNF_MIGRATE_FAIL; out: - if (page_nid != -1) + if (page_nid != NUMA_NO_NODE) task_numa_fault(last_cpupid, page_nid, 1, flags); return 0; } diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 4f07c8ddfdd7..b3d3c64d15df 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -702,9 +702,9 @@ static void node_states_check_changes_online(unsigned long nr_pages, { int nid = zone_to_nid(zone); - arg->status_change_nid = -1; - arg->status_change_nid_normal = -1; - arg->status_change_nid_high = -1; + arg->status_change_nid = NUMA_NO_NODE; + arg->status_change_nid_normal = NUMA_NO_NODE; + arg->status_change_nid_high = NUMA_NO_NODE; if (!node_state(nid, N_MEMORY)) arg->status_change_nid = nid; @@ -1509,9 +1509,9 @@ static void node_states_check_changes_offline(unsigned long nr_pages, unsigned long present_pages = 0; enum zone_type zt; - arg->status_change_nid = -1; - arg->status_change_nid_normal = -1; - arg->status_change_nid_high = -1; + arg->status_change_nid = NUMA_NO_NODE; + arg->status_change_nid_normal = NUMA_NO_NODE; + arg->status_change_nid_high = NUMA_NO_NODE; /* * Check whether node_states[N_NORMAL_MEMORY] will be changed. diff --git a/mm/mempolicy.c b/mm/mempolicy.c index ee2bce59d2bf..76e7e4bc3335 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2304,7 +2304,7 @@ int mpol_misplaced(struct page *page, struct vm_area_struct *vma, unsigned long unsigned long pgoff; int thiscpu = raw_smp_processor_id(); int thisnid = cpu_to_node(thiscpu); - int polnid = -1; + int polnid = NUMA_NO_NODE; int ret = -1; pol = get_vma_policy(vma, addr); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5361bd078493..1f9f1409df9b 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6016,7 +6016,7 @@ int __meminit __early_pfn_to_nid(unsigned long pfn, return state->last_nid; nid = memblock_search_pfn_nid(pfn, &start_pfn, &end_pfn); - if (nid != -1) { + if (nid != NUMA_NO_NODE) { state->last_start = start_pfn; state->last_end = end_pfn; state->last_nid = nid; @@ -6771,7 +6771,7 @@ unsigned long __init node_map_pfn_alignment(void) { unsigned long accl_mask = 0, last_end = 0; unsigned long start, end, mask; - int last_nid = -1; + int last_nid = NUMA_NO_NODE; int i, nid; for_each_mem_pfn_range(i, MAX_NUMNODES, &start, &end, &nid) { diff --git a/mm/page_ext.c b/mm/page_ext.c index 8c78b8d45117..762d5b7eb523 100644 --- a/mm/page_ext.c +++ b/mm/page_ext.c @@ -300,7 +300,7 @@ static int __meminit online_page_ext(unsigned long start_pfn, start = SECTION_ALIGN_DOWN(start_pfn); end = SECTION_ALIGN_UP(start_pfn + nr_pages); - if (nid == -1) { + if (nid == NUMA_NO_NODE) { /* * In this case, "nid" already exists and contains valid memory. * "start_pfn" passed to us is a pfn which is an arg for |