From 5f43ba2950414dc0abf4ac44c397d88069056746 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Sun, 29 May 2011 13:03:11 +0100 Subject: dm kcopyd: reserve fewer pages Reserve just the minimum of pages needed to process one job. Because we allocate pages from page allocator, we don't need to reserve a large number of pages. The maximum job size is SUB_JOB_SIZE and we calculate the number of reserved pages based on this. Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon --- drivers/md/dm-raid1.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/md/dm-raid1.c') diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 53089aa11387..9defad045418 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -22,7 +22,6 @@ #define DM_MSG_PREFIX "raid1" #define MAX_RECOVERY 1 /* Maximum number of regions recovered in parallel. */ -#define DM_KCOPYD_PAGES 64 #define DM_RAID1_HANDLE_ERRORS 0x01 #define errors_handled(p) ((p)->features & DM_RAID1_HANDLE_ERRORS) @@ -1116,7 +1115,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto err_destroy_wq; } - r = dm_kcopyd_client_create(DM_KCOPYD_PAGES, &ms->kcopyd_client); + r = dm_kcopyd_client_create(&ms->kcopyd_client); if (r) goto err_destroy_wq; -- cgit 1.4.1