diff options
Diffstat (limited to 'mm/memory.c')
-rw-r--r-- | mm/memory.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/memory.c b/mm/memory.c index 85e80a57db29..6af555c1c42a 100644 --- a/mm/memory.c +++ b/mm/memory.c | |||
@@ -1221,9 +1221,7 @@ out: | |||
1221 | * The page has to be a nice clean _individual_ kernel allocation. | 1221 | * The page has to be a nice clean _individual_ kernel allocation. |
1222 | * If you allocate a compound page, you need to have marked it as | 1222 | * If you allocate a compound page, you need to have marked it as |
1223 | * such (__GFP_COMP), or manually just split the page up yourself | 1223 | * such (__GFP_COMP), or manually just split the page up yourself |
1224 | * (which is mainly an issue of doing "set_page_count(page, 1)" for | 1224 | * (see split_page()). |
1225 | * each sub-page, and then freeing them one by one when you free | ||
1226 | * them rather than freeing it as a compound page). | ||
1227 | * | 1225 | * |
1228 | * NOTE! Traditionally this was done with "remap_pfn_range()" which | 1226 | * NOTE! Traditionally this was done with "remap_pfn_range()" which |
1229 | * took an arbitrary page protection parameter. This doesn't allow | 1227 | * took an arbitrary page protection parameter. This doesn't allow |