diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-10-16 18:42:37 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-10-16 18:42:37 (GMT) |
| commit | 3d875182d7f4b27b7778c3ab6a39800d383968cb (patch) | |
| tree | 588a0f89219f4252d93a102b49f661b1bf435a84 /mm | |
| parent | 69984b64440729bf6b08d1ddc1b3ee8282a2c846 (diff) | |
| parent | 934ed25ea505859cec5236dcb1769be5f998dd25 (diff) | |
| download | linux-3d875182d7f4b27b7778c3ab6a39800d383968cb.tar.xz | |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"6 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
sh: add copy_user_page() alias for __copy_user()
lib/Kconfig: ZLIB_DEFLATE must select BITREVERSE
mm, dax: fix DAX deadlocks
memcg: convert threshold to bytes
builddeb: remove debian/files before build
mm, fs: obey gfp_mapping for add_to_page_cache()
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 1 | ||||
| -rw-r--r-- | mm/memory.c | 2 | ||||
| -rw-r--r-- | mm/readahead.c | 8 |
3 files changed, 7 insertions, 4 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 1fedbde..d9b5c81 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3387,6 +3387,7 @@ static int __mem_cgroup_usage_register_event(struct mem_cgroup *memcg, ret = page_counter_memparse(args, "-1", &threshold); if (ret) return ret; + threshold <<= PAGE_SHIFT; mutex_lock(&memcg->thresholds_lock); diff --git a/mm/memory.c b/mm/memory.c index 9cb2747..deb679c 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2426,6 +2426,8 @@ void unmap_mapping_range(struct address_space *mapping, if (details.last_index < details.first_index) details.last_index = ULONG_MAX; + + /* DAX uses i_mmap_lock to serialise file truncate vs page fault */ i_mmap_lock_write(mapping); if (unlikely(!RB_EMPTY_ROOT(&mapping->i_mmap))) unmap_mapping_range_tree(&mapping->i_mmap, &details); diff --git a/mm/readahead.c b/mm/readahead.c index 60cd846..24682f6 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -89,8 +89,8 @@ int read_cache_pages(struct address_space *mapping, struct list_head *pages, while (!list_empty(pages)) { page = list_to_page(pages); list_del(&page->lru); - if (add_to_page_cache_lru(page, mapping, - page->index, GFP_KERNEL)) { + if (add_to_page_cache_lru(page, mapping, page->index, + GFP_KERNEL & mapping_gfp_mask(mapping))) { read_cache_pages_invalidate_page(mapping, page); continue; } @@ -127,8 +127,8 @@ static int read_pages(struct address_space *mapping, struct file *filp, for (page_idx = 0; page_idx < nr_pages; page_idx++) { struct page *page = list_to_page(pages); list_del(&page->lru); - if (!add_to_page_cache_lru(page, mapping, - page->index, GFP_KERNEL)) { + if (!add_to_page_cache_lru(page, mapping, page->index, + GFP_KERNEL & mapping_gfp_mask(mapping))) { mapping->a_ops->readpage(filp, page); } page_cache_release(page); |