- page-migration-detailed-status-for-moving-of-individual-pages.patch removed from -mm tree

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The patch titled

     page migration: Detailed status for moving of individual pages

has been removed from the -mm tree.  Its filename is

     page-migration-detailed-status-for-moving-of-individual-pages.patch

This patch was dropped because it was folded into page-migration-support-moving-of-individual-pages.patch

------------------------------------------------------
Subject: page migration: Detailed status for moving of individual pages
From: Christoph Lameter <clameter@xxxxxxx>


Detailed results for sys_move_pages()

Pass a pointer to an integer to get_new_page() that may be used to indicate
where the completion status of a migration operation should be placed.  This
allows sys_move_pags() to report back exactly what happened to each page.

Wish there would be a better way to do this. Looks a bit hacky.

Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
Cc: Hugh Dickins <hugh@xxxxxxxxxxx>
Cc: Jes Sorensen <jes@xxxxxxxxxxxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Lee Schermerhorn <lee.schermerhorn@xxxxxx>
Cc: Andi Kleen <ak@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---

 include/linux/migrate.h |    2 +-
 mm/mempolicy.c          |    4 ++--
 mm/migrate.c            |   16 +++++++++++++---
 3 files changed, 16 insertions(+), 6 deletions(-)

diff -puN include/linux/migrate.h~page-migration-detailed-status-for-moving-of-individual-pages include/linux/migrate.h
--- 25/include/linux/migrate.h~page-migration-detailed-status-for-moving-of-individual-pages	Fri May 19 12:28:19 2006
+++ 25-akpm/include/linux/migrate.h	Fri May 19 12:28:19 2006
@@ -3,7 +3,7 @@
 
 #include <linux/mm.h>
 
-typedef struct page *new_page_t(struct page *, unsigned long private);
+typedef struct page *new_page_t(struct page *, unsigned long private, int **);
 
 #ifdef CONFIG_MIGRATION
 extern int isolate_lru_page(struct page *p, struct list_head *pagelist);
diff -puN mm/mempolicy.c~page-migration-detailed-status-for-moving-of-individual-pages mm/mempolicy.c
--- 25/mm/mempolicy.c~page-migration-detailed-status-for-moving-of-individual-pages	Fri May 19 12:28:19 2006
+++ 25-akpm/mm/mempolicy.c	Fri May 19 12:28:19 2006
@@ -588,7 +588,7 @@ static void migrate_page_add(struct page
 		isolate_lru_page(page, pagelist);
 }
 
-static struct page *new_node_page(struct page *page, unsigned long node)
+static struct page *new_node_page(struct page *page, unsigned long node, int **x)
 {
 	return alloc_pages_node(node, GFP_HIGHUSER, 0);
 }
@@ -698,7 +698,7 @@ int do_migrate_pages(struct mm_struct *m
 
 }
 
-static struct page *new_vma_page(struct page *page, unsigned long private)
+static struct page *new_vma_page(struct page *page, unsigned long private, int **x)
 {
 	struct vm_area_struct *vma = (struct vm_area_struct *)private;
 
diff -puN mm/migrate.c~page-migration-detailed-status-for-moving-of-individual-pages mm/migrate.c
--- 25/mm/migrate.c~page-migration-detailed-status-for-moving-of-individual-pages	Fri May 19 12:28:19 2006
+++ 25-akpm/mm/migrate.c	Fri May 19 12:28:19 2006
@@ -589,7 +589,8 @@ static int unmap_and_move(new_page_t get
 			struct page *page, int force)
 {
 	int rc = 0;
-	struct page *newpage = get_new_page(page, private);
+	int *result = NULL;
+	struct page *newpage = get_new_page(page, private, &result);
 
 	if (!newpage)
 		return -ENOMEM;
@@ -643,6 +644,12 @@ move_newpage:
 	 * then this will free the page.
 	 */
 	move_to_lru(newpage);
+	if (result) {
+		if (rc)
+			*result = rc;
+		else
+			*result = page_to_nid(newpage);
+	}
 	return rc;
 }
 
@@ -721,7 +728,8 @@ struct page_to_node {
 	int status;
 };
 
-static struct page *new_page_node(struct page *p, unsigned long private)
+static struct page *new_page_node(struct page *p, unsigned long private,
+		int **result)
 {
 	struct page_to_node *pm = (struct page_to_node *)private;
 
@@ -731,6 +739,8 @@ static struct page *new_page_node(struct
 	if (!pm->page)
 		return NULL;
 
+	*result = &pm->status;
+
 	return alloc_pages_node(pm->node, GFP_HIGHUSER, 0);
 }
 
@@ -847,7 +857,7 @@ asmlinkage long sys_move_pages(int pid, 
 			goto remove;
 
 		pm[i].node = node;
-		err = 0;
+		err = -EAGAIN;
 		if (node != page_to_nid(page))
 			goto set_status;
 
_

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

page-migration-make-do_swap_page-redo-the-fault.patch
slab-extract-cache_free_alien-from-__cache_free.patch
migration-remove-unnecessary-pageswapcache-checks.patch
page-migration-cleanup-rename-ignrefs-to-migration.patch
page-migration-cleanup-group-functions.patch
page-migration-cleanup-remove-useless-definitions.patch
page-migration-cleanup-drop-nr_refs-in-remove_references.patch
page-migration-cleanup-extract-try_to_unmap-from-migration-functions.patch
page-migration-cleanup-pass-mapping-to-migration-functions.patch
page-migration-cleanup-move-fallback-handling-into-special-function.patch
swapless-pm-add-r-w-migration-entries.patch
swapless-page-migration-rip-out-swap-based-logic.patch
swapless-page-migration-modify-core-logic.patch
more-page-migration-do-not-inc-dec-rss-counters.patch
more-page-migration-use-migration-entries-for-file-pages.patch
page-migration-update-documentation.patch
mm-remove-vm_locked-before-remap_pfn_range-and-drop-vm_shm.patch
page-migration-simplify-migrate_pages.patch
page-migration-handle-freeing-of-pages-in-migrate_pages.patch
page-migration-use-allocator-function-for-migrate_pages.patch
page-migration-support-moving-of-individual-pages.patch
page-migration-detailed-status-for-moving-of-individual-pages.patch
page-migration-support-moving-of-individual-pages-fixes.patch
page-migration-support-moving-of-individual-pages-x86_64-support.patch
page-migration-support-moving-of-individual-pages-x86-support.patch
page-migration-support-a-vma-migration-function.patch
allow-migration-of-mlocked-pages.patch
cpuset-remove-extra-cpuset_zone_allowed-check-in-__alloc_pages.patch

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