diff options
Diffstat (limited to 'mm/truncate.c')
| -rw-r--r-- | mm/truncate.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/mm/truncate.c b/mm/truncate.c index 6a78c814beb..96d167372d8 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -281,7 +281,6 @@ void truncate_inode_pages_range(struct address_space *mapping, while (index < end && pagevec_lookup_entries(&pvec, mapping, index, min(end - index, (pgoff_t)PAGEVEC_SIZE), indices)) { - mem_cgroup_uncharge_start(); for (i = 0; i < pagevec_count(&pvec); i++) { struct page *page = pvec.pages[i]; @@ -307,7 +306,6 @@ void truncate_inode_pages_range(struct address_space *mapping, } pagevec_remove_exceptionals(&pvec); pagevec_release(&pvec); - mem_cgroup_uncharge_end(); cond_resched(); index++; } @@ -355,26 +353,30 @@ void truncate_inode_pages_range(struct address_space *mapping, for ( ; ; ) { cond_resched(); if (!pagevec_lookup_entries(&pvec, mapping, index, - min(end - index, (pgoff_t)PAGEVEC_SIZE), - indices)) { + min(end - index, (pgoff_t)PAGEVEC_SIZE), indices)) { + /* If all gone from start onwards, we're done */ if (index == start) break; + /* Otherwise restart to make sure all gone */ index = start; continue; } if (index == start && indices[0] >= end) { + /* All gone out of hole to be punched, we're done */ pagevec_remove_exceptionals(&pvec); pagevec_release(&pvec); break; } - mem_cgroup_uncharge_start(); for (i = 0; i < pagevec_count(&pvec); i++) { struct page *page = pvec.pages[i]; /* We rely upon deletion not changing page->index */ index = indices[i]; - if (index >= end) + if (index >= end) { + /* Restart punch to make sure all gone */ + index = start - 1; break; + } if (radix_tree_exceptional_entry(page)) { clear_exceptional_entry(mapping, index, page); @@ -389,7 +391,6 @@ void truncate_inode_pages_range(struct address_space *mapping, } pagevec_remove_exceptionals(&pvec); pagevec_release(&pvec); - mem_cgroup_uncharge_end(); index++; } cleancache_invalidate_inode(mapping); @@ -488,7 +489,6 @@ unsigned long invalidate_mapping_pages(struct address_space *mapping, while (index <= end && pagevec_lookup_entries(&pvec, mapping, index, min(end - index, (pgoff_t)PAGEVEC_SIZE - 1) + 1, indices)) { - mem_cgroup_uncharge_start(); for (i = 0; i < pagevec_count(&pvec); i++) { struct page *page = pvec.pages[i]; @@ -517,7 +517,6 @@ unsigned long invalidate_mapping_pages(struct address_space *mapping, } pagevec_remove_exceptionals(&pvec); pagevec_release(&pvec); - mem_cgroup_uncharge_end(); cond_resched(); index++; } @@ -548,7 +547,6 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page) BUG_ON(page_has_private(page)); __delete_from_page_cache(page, NULL); spin_unlock_irq(&mapping->tree_lock); - mem_cgroup_uncharge_cache_page(page); if (mapping->a_ops->freepage) mapping->a_ops->freepage(page); @@ -597,7 +595,6 @@ int invalidate_inode_pages2_range(struct address_space *mapping, while (index <= end && pagevec_lookup_entries(&pvec, mapping, index, min(end - index, (pgoff_t)PAGEVEC_SIZE - 1) + 1, indices)) { - mem_cgroup_uncharge_start(); for (i = 0; i < pagevec_count(&pvec); i++) { struct page *page = pvec.pages[i]; @@ -650,7 +647,6 @@ int invalidate_inode_pages2_range(struct address_space *mapping, } pagevec_remove_exceptionals(&pvec); pagevec_release(&pvec); - mem_cgroup_uncharge_end(); cond_resched(); index++; } |