[PATCHv2 21/24] sys_swapon: remove nr_good_pages variable

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It still exists within setup_swap_map_and_extents(), but after it
nr_good_pages == p->pages.

Signed-off-by: Cesar Eduardo Barros <cesarb@xxxxxxxxxx>
---
 mm/swapfile.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 5f6df81..369816d 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2039,7 +2039,6 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
 	int i, prev;
 	int error;
 	union swap_header *swap_header;
-	unsigned int nr_good_pages;
 	int nr_extents;
 	sector_t span;
 	unsigned long maxpages;
@@ -2123,7 +2122,6 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
 		error = nr_extents;
 		goto bad_swap;
 	}
-	nr_good_pages = p->pages;
 
 	if (p->bdev) {
 		if (blk_queue_nonrot(bdev_get_queue(p->bdev))) {
@@ -2143,12 +2141,12 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
 		p->prio = --least_priority;
 	p->swap_map = swap_map;
 	p->flags |= SWP_WRITEOK;
-	nr_swap_pages += nr_good_pages;
-	total_swap_pages += nr_good_pages;
+	nr_swap_pages += p->pages;
+	total_swap_pages += p->pages;
 
 	printk(KERN_INFO "Adding %uk swap on %s.  "
 			"Priority:%d extents:%d across:%lluk %s%s\n",
-		nr_good_pages<<(PAGE_SHIFT-10), name, p->prio,
+		p->pages<<(PAGE_SHIFT-10), name, p->prio,
 		nr_extents, (unsigned long long)span<<(PAGE_SHIFT-10),
 		(p->flags & SWP_SOLIDSTATE) ? "SS" : "",
 		(p->flags & SWP_DISCARDABLE) ? "D" : "");
-- 
1.7.4

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