diff options
Diffstat (limited to 'mm/rmap.c')
| -rw-r--r-- | mm/rmap.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 5a79bf585e27..f8f10ad5d359 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1706,8 +1706,7 @@ static struct anon_vma *rmap_walk_anon_lock(struct page *page) * rmap_walk() and its helpers rmap_walk_anon() and rmap_walk_file(): * Called by migrate.c to remove migration ptes, but might be used more later. */ -static int rmap_walk_anon(struct page *page, int (*rmap_one)(struct page *, - struct vm_area_struct *, unsigned long, void *), void *arg) +static int rmap_walk_anon(struct page *page, struct rmap_walk_control *rwc) { struct anon_vma *anon_vma; pgoff_t pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT); @@ -1721,7 +1720,7 @@ static int rmap_walk_anon(struct page *page, int (*rmap_one)(struct page *, anon_vma_interval_tree_foreach(avc, &anon_vma->rb_root, pgoff, pgoff) { struct vm_area_struct *vma = avc->vma; unsigned long address = vma_address(page, vma); - ret = rmap_one(page, vma, address, arg); + ret = rwc->rmap_one(page, vma, address, rwc->arg); if (ret != SWAP_AGAIN) break; } @@ -1729,8 +1728,7 @@ static int rmap_walk_anon(struct page *page, int (*rmap_one)(struct page *, return ret; } -static int rmap_walk_file(struct page *page, int (*rmap_one)(struct page *, - struct vm_area_struct *, unsigned long, void *), void *arg) +static int rmap_walk_file(struct page *page, struct rmap_walk_control *rwc) { struct address_space *mapping = page->mapping; pgoff_t pgoff = page->index << compound_order(page); @@ -1742,7 +1740,7 @@ static int rmap_walk_file(struct page *page, int (*rmap_one)(struct page *, mutex_lock(&mapping->i_mmap_mutex); vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff) { unsigned long address = vma_address(page, vma); - ret = rmap_one(page, vma, address, arg); + ret = rwc->rmap_one(page, vma, address, rwc->arg); if (ret != SWAP_AGAIN) break; } @@ -1755,17 +1753,16 @@ static int rmap_walk_file(struct page *page, int (*rmap_one)(struct page *, return ret; } -int rmap_walk(struct page *page, int (*rmap_one)(struct page *, - struct vm_area_struct *, unsigned long, void *), void *arg) +int rmap_walk(struct page *page, struct rmap_walk_control *rwc) { VM_BUG_ON(!PageLocked(page)); if (unlikely(PageKsm(page))) - return rmap_walk_ksm(page, rmap_one, arg); + return rmap_walk_ksm(page, rwc); else if (PageAnon(page)) - return rmap_walk_anon(page, rmap_one, arg); + return rmap_walk_anon(page, rwc); else - return rmap_walk_file(page, rmap_one, arg); + return rmap_walk_file(page, rwc); } #endif /* CONFIG_MIGRATION */ |