The patch titled
Subject: mm/page_ext: rename offset to index
has been added to the -mm tree. Its filename is
mm-page_ext-rename-offset-to-index.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-page_ext-rename-offset-to-index.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-page_ext-rename-offset-to-index.patch
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------------------------------------------------------
From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Subject: mm/page_ext: rename offset to index
Here, 'offset' means entry index in page_ext array. Following patch will
use 'offset' for field offset in each entry so rename current 'offset' to
prevent confusion.
Link: http://lkml.kernel.org/r/1471315879-32294-5-git-send-email-iamjoonsoo.kim@xxxxxxx
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_ext.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN mm/page_ext.c~mm-page_ext-rename-offset-to-index mm/page_ext.c
--- a/mm/page_ext.c~mm-page_ext-rename-offset-to-index
+++ a/mm/page_ext.c
@@ -102,7 +102,7 @@ void __meminit pgdat_page_ext_init(struc
struct page_ext *lookup_page_ext(struct page *page)
{
unsigned long pfn = page_to_pfn(page);
- unsigned long offset;
+ unsigned long index;
struct page_ext *base;
base = NODE_DATA(page_to_nid(page))->node_page_ext;
@@ -119,9 +119,9 @@ struct page_ext *lookup_page_ext(struct
if (unlikely(!base))
return NULL;
#endif
- offset = pfn - round_down(node_start_pfn(page_to_nid(page)),
+ index = pfn - round_down(node_start_pfn(page_to_nid(page)),
MAX_ORDER_NR_PAGES);
- return base + offset;
+ return base + index;
}
static int __init alloc_node_page_ext(int nid)
_
Patches currently in -mm which might be from iamjoonsoo.kim@xxxxxxx are
mm-debug_pagealloc-clean-up-guard-page-handling-code.patch
mm-debug_pagealloc-dont-allocate-page_ext-if-we-dont-use-guard-page.patch
mm-page_owner-move-page_owner-specific-function-to-page_ownerc.patch
mm-page_ext-rename-offset-to-index.patch
mm-page_ext-support-extra-space-allocation-by-page_ext-user.patch
mm-page_owner-dont-define-fields-on-struct-page_ext-by-hard-coding.patch
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