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authorMel Gorman <mel@csn.ul.ie>2011-01-13 15:45:58 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 17:32:34 -0800
commit7f0f24967b0349798803260b2e4bf347cffa1990 (patch)
tree80448367dd2403f02e74f90671e1f050aea41292
parent77f1fe6b08b13a87391549c8a820ddc817b6f50e (diff)
mm: migration: cleanup migrate_pages API by matching types for offlining and sync
With the introduction of the boolean sync parameter, the API looks a little inconsistent as offlining is still an int. Convert offlining to a bool for the sake of being tidy. Signed-off-by: Mel Gorman <mel@csn.ul.ie> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Rik van Riel <riel@redhat.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/migrate.h8
-rw-r--r--mm/compaction.c2
-rw-r--r--mm/memory_hotplug.c2
-rw-r--r--mm/mempolicy.c6
-rw-r--r--mm/migrate.c8
5 files changed, 14 insertions, 12 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index fa31902803f..e39aeecfe9a 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -13,10 +13,10 @@ extern void putback_lru_pages(struct list_head *l);
extern int migrate_page(struct address_space *,
struct page *, struct page *);
extern int migrate_pages(struct list_head *l, new_page_t x,
- unsigned long private, int offlining,
+ unsigned long private, bool offlining,
bool sync);
extern int migrate_huge_pages(struct list_head *l, new_page_t x,
- unsigned long private, int offlining,
+ unsigned long private, bool offlining,
bool sync);
extern int fail_migrate_page(struct address_space *,
@@ -35,10 +35,10 @@ extern int migrate_huge_page_move_mapping(struct address_space *mapping,
static inline void putback_lru_pages(struct list_head *l) {}
static inline int migrate_pages(struct list_head *l, new_page_t x,
- unsigned long private, int offlining,
+ unsigned long private, bool offlining,
bool sync) { return -ENOSYS; }
static inline int migrate_huge_pages(struct list_head *l, new_page_t x,
- unsigned long private, int offlining,
+ unsigned long private, bool offlining,
bool sync) { return -ENOSYS; }
static inline int migrate_prep(void) { return -ENOSYS; }
diff --git a/mm/compaction.c b/mm/compaction.c
index 47fca106934..e005a30e968 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -456,7 +456,7 @@ static int compact_zone(struct zone *zone, struct compact_control *cc)
nr_migrate = cc->nr_migratepages;
migrate_pages(&cc->migratepages, compaction_alloc,
- (unsigned long)cc, 0,
+ (unsigned long)cc, false,
cc->sync);
update_nr_listpages(cc);
nr_remaining = cc->nr_migratepages;
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 584fc5588fd..a2832c09250 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -734,7 +734,7 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
}
/* this function returns # of failed pages */
ret = migrate_pages(&source, hotremove_migrate_alloc, 0,
- 1, true);
+ true, true);
if (ret)
putback_lru_pages(&source);
}
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 9db27459308..7ee55af8d79 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -935,7 +935,8 @@ static int migrate_to_node(struct mm_struct *mm, int source, int dest,
return PTR_ERR(vma);
if (!list_empty(&pagelist)) {
- err = migrate_pages(&pagelist, new_node_page, dest, 0, true);
+ err = migrate_pages(&pagelist, new_node_page, dest,
+ false, true);
if (err)
putback_lru_pages(&pagelist);
}
@@ -1155,7 +1156,8 @@ static long do_mbind(unsigned long start, unsigned long len,
if (!list_empty(&pagelist)) {
nr_failed = migrate_pages(&pagelist, new_vma_page,
- (unsigned long)vma, 0, true);
+ (unsigned long)vma,
+ false, true);
if (nr_failed)
putback_lru_pages(&pagelist);
}
diff --git a/mm/migrate.c b/mm/migrate.c
index dc47f6c4035..690d0de993a 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -614,7 +614,7 @@ static int move_to_new_page(struct page *newpage, struct page *page,
* to the newly allocated page in newpage.
*/
static int unmap_and_move(new_page_t get_new_page, unsigned long private,
- struct page *page, int force, int offlining, bool sync)
+ struct page *page, int force, bool offlining, bool sync)
{
int rc = 0;
int *result = NULL;
@@ -827,7 +827,7 @@ move_newpage:
*/
static int unmap_and_move_huge_page(new_page_t get_new_page,
unsigned long private, struct page *hpage,
- int force, int offlining, bool sync)
+ int force, bool offlining, bool sync)
{
int rc = 0;
int *result = NULL;
@@ -909,7 +909,7 @@ out:
* Return: Number of pages not migrated or error code.
*/
int migrate_pages(struct list_head *from,
- new_page_t get_new_page, unsigned long private, int offlining,
+ new_page_t get_new_page, unsigned long private, bool offlining,
bool sync)
{
int retry = 1;
@@ -960,7 +960,7 @@ out:
}
int migrate_huge_pages(struct list_head *from,
- new_page_t get_new_page, unsigned long private, int offlining,
+ new_page_t get_new_page, unsigned long private, bool offlining,
bool sync)
{
int retry = 1;