vmalloc(): adjust gfp mask passed on nested vmalloc() invocation

[safe/jmp/linux-2.6] / mm / swapfile.c

diff --git a/mm/swapfile.c b/mm/swapfile.c
index f1bf19d..9c590ee 100644 (file)
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -699,7 +699,7 @@ int free_swap_and_cache(swp_entry_t entry)
        struct swap_info_struct *p;
        struct page *page = NULL;
 
-       if (is_migration_entry(entry))
+       if (non_swap_entry(entry))
                return 1;
 
        p = swap_info_get(entry);
@@ -1151,8 +1151,7 @@ static int try_to_unuse(unsigned int type)
                                } else
                                        retval = unuse_mm(mm, entry, page);
 
-                               if (set_start_mm &&
-                                   swap_count(*swap_map) < swcount) {
+                               if (set_start_mm && *swap_map < swcount) {
                                        mmput(new_start_mm);
                                        atomic_inc(&mm->mm_users);
                                        new_start_mm = mm;
@@ -1974,12 +1973,14 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
                goto bad_swap;
        }
 
-       if (blk_queue_nonrot(bdev_get_queue(p->bdev))) {
-               p->flags |= SWP_SOLIDSTATE;
-               p->cluster_next = 1 + (random32() % p->highest_bit);
+       if (p->bdev) {
+               if (blk_queue_nonrot(bdev_get_queue(p->bdev))) {
+                       p->flags |= SWP_SOLIDSTATE;
+                       p->cluster_next = 1 + (random32() % p->highest_bit);
+               }
+               if (discard_swap(p) == 0)
+                       p->flags |= SWP_DISCARDABLE;
        }
-       if (discard_swap(p) == 0)
-               p->flags |= SWP_DISCARDABLE;
 
        mutex_lock(&swapon_mutex);
        spin_lock(&swap_lock);
@@ -2085,7 +2086,7 @@ static int __swap_duplicate(swp_entry_t entry, bool cache)
        int count;
        bool has_cache;
 
-       if (is_migration_entry(entry))
+       if (non_swap_entry(entry))
                return -EINVAL;
 
        type = swp_type(entry);