diff options
| -rw-r--r-- | include/linux/huge_mm.h | 8 | ||||
| -rw-r--r-- | include/linux/khugepaged.h | 14 | ||||
| -rw-r--r-- | mm/huge_memory.c | 4 | ||||
| -rw-r--r-- | mm/khugepaged.c | 18 |
4 files changed, 21 insertions, 23 deletions
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index cd8a6c5d9fe5..ae3d8e2fd9e2 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -116,6 +116,14 @@ extern struct kobj_attribute shmem_enabled_attr; extern unsigned long transparent_hugepage_flags; +#define hugepage_flags_enabled() \ + (transparent_hugepage_flags & \ + ((1<<TRANSPARENT_HUGEPAGE_FLAG) | \ + (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG))) +#define hugepage_flags_always() \ + (transparent_hugepage_flags & \ + (1<<TRANSPARENT_HUGEPAGE_FLAG)) + /* * Do the below checks: * - For file vma, check if the linear page offset of vma is diff --git a/include/linux/khugepaged.h b/include/linux/khugepaged.h index ea5fd4c398f7..384f034ae947 100644 --- a/include/linux/khugepaged.h +++ b/include/linux/khugepaged.h @@ -24,20 +24,6 @@ static inline void collapse_pte_mapped_thp(struct mm_struct *mm, } #endif -#define khugepaged_enabled() \ - (transparent_hugepage_flags & \ - ((1<<TRANSPARENT_HUGEPAGE_FLAG) | \ - (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG))) -#define khugepaged_always() \ - (transparent_hugepage_flags & \ - (1<<TRANSPARENT_HUGEPAGE_FLAG)) -#define khugepaged_req_madv() \ - (transparent_hugepage_flags & \ - (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG)) -#define khugepaged_defrag() \ - (transparent_hugepage_flags & \ - (1<<TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG)) - static inline void khugepaged_fork(struct mm_struct *mm, struct mm_struct *oldmm) { if (test_bit(MMF_VM_HUGEPAGE, &oldmm->flags)) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 4b90c7021e52..8e1b3d9f7ebf 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -120,11 +120,11 @@ bool hugepage_vma_check(struct vm_area_struct *vma, if (!in_pf && shmem_file(vma->vm_file)) return shmem_huge_enabled(vma); - if (!khugepaged_enabled()) + if (!hugepage_flags_enabled()) return false; /* THP settings require madvise. */ - if (!(vm_flags & VM_HUGEPAGE) && !khugepaged_always()) + if (!(vm_flags & VM_HUGEPAGE) && !hugepage_flags_always()) return false; /* Only regular file is valid */ diff --git a/mm/khugepaged.c b/mm/khugepaged.c index d683ef1edeb5..01f71786d530 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -465,7 +465,7 @@ void khugepaged_enter_vma(struct vm_area_struct *vma, unsigned long vm_flags) { if (!test_bit(MMF_VM_HUGEPAGE, &vma->vm_mm->flags) && - khugepaged_enabled()) { + hugepage_flags_enabled()) { if (hugepage_vma_check(vma, vm_flags, false, false)) __khugepaged_enter(vma->vm_mm); } @@ -761,6 +761,10 @@ static bool khugepaged_scan_abort(int nid) return false; } +#define khugepaged_defrag() \ + (transparent_hugepage_flags & \ + (1<<TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG)) + /* Defrag for khugepaged will enter direct reclaim/compaction if necessary */ static inline gfp_t alloc_hugepage_khugepaged_gfpmask(void) { @@ -858,7 +862,7 @@ static struct page *khugepaged_alloc_hugepage(bool *wait) khugepaged_alloc_sleep(); } else count_vm_event(THP_COLLAPSE_ALLOC); - } while (unlikely(!hpage) && likely(khugepaged_enabled())); + } while (unlikely(!hpage) && likely(hugepage_flags_enabled())); return hpage; } @@ -2172,7 +2176,7 @@ breakouterloop_mmap_lock: static int khugepaged_has_work(void) { return !list_empty(&khugepaged_scan.mm_head) && - khugepaged_enabled(); + hugepage_flags_enabled(); } static int khugepaged_wait_event(void) @@ -2237,7 +2241,7 @@ static void khugepaged_wait_work(void) return; } - if (khugepaged_enabled()) + if (hugepage_flags_enabled()) wait_event_freezable(khugepaged_wait, khugepaged_wait_event()); } @@ -2268,7 +2272,7 @@ static void set_recommended_min_free_kbytes(void) int nr_zones = 0; unsigned long recommended_min; - if (!khugepaged_enabled()) { + if (!hugepage_flags_enabled()) { calculate_min_free_kbytes(); goto update_wmarks; } @@ -2318,7 +2322,7 @@ int start_stop_khugepaged(void) int err = 0; mutex_lock(&khugepaged_mutex); - if (khugepaged_enabled()) { + if (hugepage_flags_enabled()) { if (!khugepaged_thread) khugepaged_thread = kthread_run(khugepaged, NULL, "khugepaged"); @@ -2344,7 +2348,7 @@ fail: void khugepaged_min_free_kbytes_update(void) { mutex_lock(&khugepaged_mutex); - if (khugepaged_enabled() && khugepaged_thread) + if (hugepage_flags_enabled() && khugepaged_thread) set_recommended_min_free_kbytes(); mutex_unlock(&khugepaged_mutex); } |