Merge tag 'dm-3.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device...

[mirror_ubuntu-jammy-kernel.git] / mm / internal.h

diff --git a/mm/internal.h b/mm/internal.h
index e067984bafa07c4ab34ef32419406c92e95a4902..7f22a11fcc66e3e6e0b5a16319f7f4dc232e0ffb 100644 (file)
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -144,7 +144,10 @@ struct compact_control {
        int order;                      /* order a direct compactor needs */
        int migratetype;                /* MOVABLE, RECLAIMABLE etc */
        struct zone *zone;
-       bool contended;                 /* True if a lock was contended */
+       bool contended;                 /* True if a lock was contended, or
+                                        * need_resched() true during async
+                                        * compaction
+                                        */
 };
 
 unsigned long
@@ -188,31 +191,6 @@ static inline void munlock_vma_pages_all(struct vm_area_struct *vma)
        munlock_vma_pages_range(vma, vma->vm_start, vma->vm_end);
 }
 
-/*
- * Called only in fault path, to determine if a new page is being
- * mapped into a LOCKED vma.  If it is, mark page as mlocked.
- */
-static inline int mlocked_vma_newpage(struct vm_area_struct *vma,
-                                   struct page *page)
-{
-       VM_BUG_ON_PAGE(PageLRU(page), page);
-
-       if (likely((vma->vm_flags & (VM_LOCKED | VM_SPECIAL)) != VM_LOCKED))
-               return 0;
-
-       if (!TestSetPageMlocked(page)) {
-               /*
-                * We use the irq-unsafe __mod_zone_page_stat because this
-                * counter is not modified from interrupt context, and the pte
-                * lock is held(spinlock), which implies preemption disabled.
-                */
-               __mod_zone_page_state(page_zone(page), NR_MLOCK,
-                                   hpage_nr_pages(page));
-               count_vm_event(UNEVICTABLE_PGMLOCKED);
-       }
-       return 1;
-}
-
 /*
  * must be called with vma's mmap_sem held for read or write, and page locked.
  */
@@ -255,10 +233,6 @@ extern unsigned long vma_address(struct page *page,
                                 struct vm_area_struct *vma);
 #endif
 #else /* !CONFIG_MMU */
-static inline int mlocked_vma_newpage(struct vm_area_struct *v, struct page *p)
-{
-       return 0;
-}
 static inline void clear_page_mlock(struct page *page) { }
 static inline void mlock_vma_page(struct page *page) { }
 static inline void mlock_migrate_page(struct page *new, struct page *old) { }