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mm: compaction: make __compact_pgdat() and compact_pgdat() return void

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These functions always return 0.  Formalise this.

Cc: Jason Liu <[email protected]>
Cc: KAMEZAWA Hiroyuki <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Rik van Riel <[email protected]>
Acked-by: David Rientjes <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Andrew Morton 2013-02-22 16:32:33 -08:00 • committed by Linus Torvalds
commit 7103f16dbf
2 changed files with 7 additions and 10 deletions
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12
mm/compaction.c
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@ -1085,7 +1085,7 @@ unsigned long try_to_compact_pages(struct zonelist *zonelist,
/* Compact all zones within a node */
static int __compact_pgdat(pg_data_t *pgdat, struct compact_control *cc)
static void __compact_pgdat(pg_data_t *pgdat, struct compact_control *cc)
{
int zoneid;
struct zone *zone;
@ -1118,28 +1118,26 @@ static int __compact_pgdat(pg_data_t *pgdat, struct compact_control *cc)
VM_BUG_ON(!list_empty(&cc->freepages));
VM_BUG_ON(!list_empty(&cc->migratepages));
}
return 0;
}
int compact_pgdat(pg_data_t *pgdat, int order)
void compact_pgdat(pg_data_t *pgdat, int order)
{
struct compact_control cc = {
.order = order,
.sync = false,
};
return __compact_pgdat(pgdat, &cc);
__compact_pgdat(pgdat, &cc);
}
static int compact_node(int nid)
static void compact_node(int nid)
{
struct compact_control cc = {
.order = -1,
.sync = true,
};
return __compact_pgdat(NODE_DATA(nid), &cc);
__compact_pgdat(NODE_DATA(nid), &cc);
}
/* Compact all nodes in the system */