+ mm-ksmc-use-list_for_each_entry_safe.patch added to -mm tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The patch titled
     Subject: mm/ksm.c: use list_for_each_entry_safe
has been added to the -mm tree.  Its filename is
     mm-ksmc-use-list_for_each_entry_safe.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/mm-ksmc-use-list_for_each_entry_safe.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/mm-ksmc-use-list_for_each_entry_safe.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/SubmitChecklist when testing your code ***

The -mm tree is included into linux-next and is updated
there every 3-4 working days

------------------------------------------------------
From: Geliang Tang <geliangtang@xxxxxxx>
Subject: mm/ksm.c: use list_for_each_entry_safe

Use list_for_each_entry_safe() instead of list_for_each_safe() to simplify
the code.

Signed-off-by: Geliang Tang <geliangtang@xxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/ksm.c |   20 +++++++-------------
 1 file changed, 7 insertions(+), 13 deletions(-)

diff -puN mm/ksm.c~mm-ksmc-use-list_for_each_entry_safe mm/ksm.c
--- a/mm/ksm.c~mm-ksmc-use-list_for_each_entry_safe
+++ a/mm/ksm.c
@@ -740,8 +740,7 @@ static int remove_stable_node(struct sta
 
 static int remove_all_stable_nodes(void)
 {
-	struct stable_node *stable_node;
-	struct list_head *this, *next;
+	struct stable_node *stable_node, *next;
 	int nid;
 	int err = 0;
 
@@ -756,8 +755,7 @@ static int remove_all_stable_nodes(void)
 			cond_resched();
 		}
 	}
-	list_for_each_safe(this, next, &migrate_nodes) {
-		stable_node = list_entry(this, struct stable_node, list);
+	list_for_each_entry_safe(stable_node, next, &migrate_nodes, list) {
 		if (remove_stable_node(stable_node))
 			err = -EBUSY;
 		cond_resched();
@@ -1583,13 +1581,11 @@ static struct rmap_item *scan_get_next_r
 		 * so prune them once before each full scan.
 		 */
 		if (!ksm_merge_across_nodes) {
-			struct stable_node *stable_node;
-			struct list_head *this, *next;
+			struct stable_node *stable_node, *next;
 			struct page *page;
 
-			list_for_each_safe(this, next, &migrate_nodes) {
-				stable_node = list_entry(this,
-						struct stable_node, list);
+			list_for_each_entry_safe(stable_node, next,
+						 &migrate_nodes, list) {
 				page = get_ksm_page(stable_node, false);
 				if (page)
 					put_page(page);
@@ -2012,8 +2008,7 @@ static void wait_while_offlining(void)
 static void ksm_check_stable_tree(unsigned long start_pfn,
 				  unsigned long end_pfn)
 {
-	struct stable_node *stable_node;
-	struct list_head *this, *next;
+	struct stable_node *stable_node, *next;
 	struct rb_node *node;
 	int nid;
 
@@ -2034,8 +2029,7 @@ static void ksm_check_stable_tree(unsign
 			cond_resched();
 		}
 	}
-	list_for_each_safe(this, next, &migrate_nodes) {
-		stable_node = list_entry(this, struct stable_node, list);
+	list_for_each_entry_safe(stable_node, next, &migrate_nodes, list) {
 		if (stable_node->kpfn >= start_pfn &&
 		    stable_node->kpfn < end_pfn)
 			remove_node_from_stable_tree(stable_node);
_

Patches currently in -mm which might be from geliangtang@xxxxxxx are

fsnotify-use-list_next_entry-in-fsnotify_unmount_inodes.patch
mm-slab-use-list_first_entry_or_null.patch
mm-slab-use-list_for_each_entry-in-cache_flusharray.patch
mm-slabc-add-a-helper-function-get_first_slab.patch
mm-vmalloc-use-list_nextfirst_entry.patch
mm-thp-use-list_first_entry_or_null.patch
mm-page_allocc-use-list_firstlast_entry-instead-of-list_entry.patch
mm-page_allocc-use-list_for_each_entry-in-mark_free_pages.patch
mm-swapfilec-use-list_nextfirst_entry.patch
mm-readaheadc-mm-vmscanc-use-lru_to_page-instead-of-list_to_page.patch
mm-ksmc-use-list_for_each_entry_safe.patch
mm-zbud-use-list_last_entry-instead-of-list_tail_entry.patch
dma-mapping-use-offset_in_page-macro.patch

--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Newbies FAQ]     [Kernel Archive]     [IETF Annouce]     [DCCP]     [Netdev]     [Networking]     [Security]     [Bugtraq]     [Photo]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux SCSI]

  Powered by Linux