diff options
| -rw-r--r-- | mm/filemap.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index f3555fb806d..2f55a1e2baf 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -741,7 +741,14 @@ repeat: page = __page_cache_alloc(gfp_mask); if (!page) return NULL; - err = add_to_page_cache_lru(page, mapping, index, gfp_mask); + /* + * We want a regular kernel memory (not highmem or DMA etc) + * allocation for the radix tree nodes, but we need to honour + * the context-specific requirements the caller has asked for. + * GFP_RECLAIM_MASK collects those requirements. + */ + err = add_to_page_cache_lru(page, mapping, index, + (gfp_mask & GFP_RECLAIM_MASK)); if (unlikely(err)) { page_cache_release(page); page = NULL; @@ -950,7 +957,7 @@ grab_cache_page_nowait(struct address_space *mapping, pgoff_t index) return NULL; } page = __page_cache_alloc(mapping_gfp_mask(mapping) & ~__GFP_FS); - if (page && add_to_page_cache_lru(page, mapping, index, GFP_KERNEL)) { + if (page && add_to_page_cache_lru(page, mapping, index, GFP_NOFS)) { page_cache_release(page); page = NULL; } |