shmem: make shmem_inode_info::lock irq-safe

[cascardo/linux.git] / ipc / shm.c

diff --git a/ipc/shm.c b/ipc/shm.c
index 7fa5cbe..dbac886 100644 (file)
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -766,10 +766,10 @@ static void shm_add_rss_swap(struct shmid_kernel *shp,
        } else {
 #ifdef CONFIG_SHMEM
                struct shmem_inode_info *info = SHMEM_I(inode);
-               spin_lock(&info->lock);
+               spin_lock_irq(&info->lock);
                *rss_add += inode->i_mapping->nrpages;
                *swp_add += info->swapped;
-               spin_unlock(&info->lock);
+               spin_unlock_irq(&info->lock);
 #else
                *rss_add += inode->i_mapping->nrpages;
 #endif