diff options
| author | John W. Linville <linville@tuxdriver.com> | 2011-11-22 14:05:46 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-11-22 14:05:46 -0500 |
| commit | 515db09338704a6ad7d27b5f1e33820d3052edd2 (patch) | |
| tree | 74f915531710303397d34069b325c2be7a5ac93c /mm/shmem.c | |
| parent | 30be52e44fd4276d768efffb55d424fb682e6505 (diff) | |
| parent | cfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Conflicts:
drivers/net/wireless/iwlegacy/iwl-debugfs.c
drivers/net/wireless/iwlegacy/iwl-rx.c
drivers/net/wireless/iwlegacy/iwl-scan.c
drivers/net/wireless/iwlegacy/iwl-tx.c
include/net/bluetooth/bluetooth.h
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 2d357729529..d6722506d2d 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -28,7 +28,7 @@ #include <linux/pagemap.h> #include <linux/file.h> #include <linux/mm.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/swap.h> static struct vfsmount *shm_mnt; @@ -1068,6 +1068,12 @@ int shmem_lock(struct file *file, int lock, struct user_struct *user) user_shm_unlock(inode->i_size, user); info->flags &= ~VM_LOCKED; mapping_clear_unevictable(file->f_mapping); + /* + * Ensure that a racing putback_lru_page() can see + * the pages of this mapping are evictable when we + * skip them due to !PageLRU during the scan. + */ + smp_mb__after_clear_bit(); scan_mapping_unevictable_pages(file->f_mapping); } retval = 0; @@ -2497,7 +2503,7 @@ struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags d_instantiate(path.dentry, inode); inode->i_size = size; - inode->i_nlink = 0; /* It is unlinked */ + clear_nlink(inode); /* It is unlinked */ #ifndef CONFIG_MMU error = ramfs_nommu_expand_for_mapping(inode, size); if (error) |