mm: fix some trivial typos in comments

Fix some trivial typos in comments.

Signed-off-by: Jiang Liu <[email protected]>
Cc: Wen Congyang <[email protected]>
Cc: Tang Chen <[email protected]>
Cc: Yasuaki Ishimatsu <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Marek Szyprowski <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: "Michael S. Tsirkin" <[email protected]>
Cc: <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Chris Metcalf <[email protected]>
Cc: David Howells <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jeremy Fitzhardinge <[email protected]>
Cc: Jianguo Wu <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: Kamezawa Hiroyuki <[email protected]>
Cc: Konrad Rzeszutek Wilk <[email protected]>
Cc: Michel Lespinasse <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Rusty Russell <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Yinghai Lu <[email protected]>
Cc: Russell King <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index e3097f299f678f9c743a9defa2dc54ec6b9601b2..6096cb91873505c29a0917f1ce9cbe4ff6d80c74 100644 (file)
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -309,7 +309,7 @@ static int __meminit move_pfn_range_left(struct zone *z1, struct zone *z2,
        /* can't move pfns which are higher than @z2 */
        if (end_pfn > zone_end_pfn(z2))
                goto out_fail;
-       /* the move out part mast at the left most of @z2 */
+       /* the move out part must be at the left most of @z2 */
        if (start_pfn > z2->zone_start_pfn)
                goto out_fail;
        /* must included/overlap */

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6780b2e18aa1a6e3ebc4d9bdeadc990c5e39601c..657daea88aa8e8d80e036d38c98ca3d271ac3eea 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2845,7 +2845,7 @@ EXPORT_SYMBOL(free_pages_exact);
  * nr_free_zone_pages() counts the number of counts pages which are beyond the
  * high watermark within all zones at or below a given zone index.  For each
  * zone, the number of pages is calculated as:
- *     present_pages - high_pages
+ *     managed_pages - high_pages
  */
 static unsigned long nr_free_zone_pages(int offset)
 {