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authorHugh Dickins <hugh@veritas.com>2009-01-06 14:39:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-06 15:59:05 -0800
commit22c6f8fdb31993cf49bdd4a47b64a7002391e1c7 (patch)
tree4721575904bc220bed559efb95f04f32a1febbfe
parent73fd8748ab0b9b3ddd178bea1d7ae03372033d96 (diff)
downloadop-kernel-dev-22c6f8fdb31993cf49bdd4a47b64a7002391e1c7.zip
op-kernel-dev-22c6f8fdb31993cf49bdd4a47b64a7002391e1c7.tar.gz
swapfile: remove SWP_ACTIVE mask
Remove the SWP_ACTIVE mask: it just obscures the SWP_WRITEOK flag. Signed-off-by: Hugh Dickins <hugh@veritas.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/swap.h1
-rw-r--r--mm/swapfile.c4
2 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 3a31cc2..410c8e4 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -120,7 +120,6 @@ struct swap_extent {
enum {
SWP_USED = (1 << 0), /* is slot in swap_info[] used? */
SWP_WRITEOK = (1 << 1), /* ok to write to this swap? */
- SWP_ACTIVE = (SWP_USED | SWP_WRITEOK),
/* add others here before... */
SWP_SCANNING = (1 << 8), /* refcount in scan_swap_map */
};
diff --git a/mm/swapfile.c b/mm/swapfile.c
index e2adc8e..915cb3f 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1222,7 +1222,7 @@ asmlinkage long sys_swapoff(const char __user * specialfile)
spin_lock(&swap_lock);
for (type = swap_list.head; type >= 0; type = swap_info[type].next) {
p = swap_info + type;
- if ((p->flags & SWP_ACTIVE) == SWP_ACTIVE) {
+ if (p->flags & SWP_WRITEOK) {
if (p->swap_file->f_mapping == mapping)
break;
}
@@ -1674,7 +1674,7 @@ asmlinkage long sys_swapon(const char __user * specialfile, int swap_flags)
else
p->prio = --least_priority;
p->swap_map = swap_map;
- p->flags = SWP_ACTIVE;
+ p->flags |= SWP_WRITEOK;
nr_swap_pages += nr_good_pages;
total_swap_pages += nr_good_pages;
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