fix build on some compilers

[pandora-kernel.git] / mm / swapfile.c

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6beb625..572cc78 100644 (file)
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -403,7 +403,7 @@ void free_swap_and_cache(swp_entry_t entry)
        if (p) {
                if (swap_entry_free(p, swp_offset(entry)) == 1) {
                        page = find_get_page(&swapper_space, entry.val);
-                       if (page && unlikely(TestSetPageLocked(page))) {
+                       if (page && unlikely(!trylock_page(page))) {
                                page_cache_release(page);
                                page = NULL;
                        }
@@ -656,8 +656,8 @@ static int unuse_mm(struct mm_struct *mm,
 
        if (!down_read_trylock(&mm->mmap_sem)) {
                /*
-                * Activate page so shrink_cache is unlikely to unmap its
-                * ptes while lock is dropped, so swapoff can make progress.
+                * Activate page so shrink_inactive_list is unlikely to unmap
+                * its ptes while lock is dropped, so swapoff can make progress.
                 */
                activate_page(page);
                unlock_page(page);
@@ -1204,7 +1204,7 @@ int page_queue_congested(struct page *page)
 }
 #endif
 
-asmlinkage long sys_swapoff(const char __user * specialfile)
+SYSCALL_DEFINE1(swapoff, const char __user *, specialfile)
 {
        struct swap_info_struct * p = NULL;
        unsigned short *swap_map;
@@ -1448,7 +1448,7 @@ __initcall(procswaps_init);
  *
  * The swapon system call
  */
-asmlinkage long sys_swapon(const char __user * specialfile, int swap_flags)
+SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
 {
        struct swap_info_struct * p;
        char *name = NULL;