The patch titled
mm: don't drop a partial page in a zone's memory map size
has been removed from the -mm tree. Its filename was
mm-dont-drop-a-partial-page-in-a-zones-memory-map-size.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: mm: don't drop a partial page in a zone's memory map size
From: Johannes Weiner <hannes@xxxxxxxxxxxx>
In a zone's present pages number, account for all pages occupied by the
memory map, including a partial.
Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN mm/page_alloc.c~mm-dont-drop-a-partial-page-in-a-zones-memory-map-size mm/page_alloc.c
--- a/mm/page_alloc.c~mm-dont-drop-a-partial-page-in-a-zones-memory-map-size
+++ a/mm/page_alloc.c
@@ -3378,7 +3378,8 @@ static void __paginginit free_area_init_
* is used by this zone for memmap. This affects the watermark
* and per-cpu initialisations
*/
- memmap_pages = (size * sizeof(struct page)) >> PAGE_SHIFT;
+ memmap_pages =
+ PAGE_ALIGN(size * sizeof(struct page)) >> PAGE_SHIFT;
if (realsize >= memmap_pages) {
realsize -= memmap_pages;
printk(KERN_DEBUG
_
Patches currently in -mm which might be from hannes@xxxxxxxxxxxx are
git-xtensa.patch
mm-move-bootmem-descriptors-definition-to-a-single-place.patch
mm-fix-free_all_bootmem_core-alignment-check.patch
mm-normalize-internal-argument-passing-of-bootmem-data.patch
mm-unexport-__alloc_bootmem_core.patch
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