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authorKevin Hilman <khilman@linaro.org>2013-12-20 11:30:50 -0500
committerKevin Hilman <khilman@linaro.org>2013-12-20 11:30:50 -0500
commitcd15c51d6c2f577f896471a058f33a95f164dba2 (patch)
tree9d42b8ea581ca35bdf75467b8bbbab21e7056ff9 /mm/shmem.c
parent5b8314a98888b12159d0b1b14982b8dd2d94e3f5 (diff)
parent130f769e81fc472beb2211320777e26050e3fa15 (diff)
Merge tag 'omap-for-v3.13/display-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
I accidentally removed some mux code for omap4 that I thought was dead code as omap4 has been booting with device tree only since v3.10. Turns out I also removed some display related mux code, so let's revert that except for the dead code parts. * tag 'omap-for-v3.13/display-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (439 commits) Revert "ARM: OMAP2+: Remove legacy mux code for display.c" +Linux 3.13-rc4
Diffstat (limited to 'mm/shmem.c')
-rw-r--r--mm/shmem.c36
1 files changed, 29 insertions, 7 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index 8297623fcaed..902a14842b74 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2918,13 +2918,8 @@ static struct dentry_operations anon_ops = {
2918 .d_dname = simple_dname 2918 .d_dname = simple_dname
2919}; 2919};
2920 2920
2921/** 2921static struct file *__shmem_file_setup(const char *name, loff_t size,
2922 * shmem_file_setup - get an unlinked file living in tmpfs 2922 unsigned long flags, unsigned int i_flags)
2923 * @name: name for dentry (to be seen in /proc/<pid>/maps
2924 * @size: size to be set for the file
2925 * @flags: VM_NORESERVE suppresses pre-accounting of the entire object size
2926 */
2927struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags)
2928{ 2923{
2929 struct file *res; 2924 struct file *res;
2930 struct inode *inode; 2925 struct inode *inode;
@@ -2957,6 +2952,7 @@ struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags
2957 if (!inode) 2952 if (!inode)
2958 goto put_dentry; 2953 goto put_dentry;
2959 2954
2955 inode->i_flags |= i_flags;
2960 d_instantiate(path.dentry, inode); 2956 d_instantiate(path.dentry, inode);
2961 inode->i_size = size; 2957 inode->i_size = size;
2962 clear_nlink(inode); /* It is unlinked */ 2958 clear_nlink(inode); /* It is unlinked */
@@ -2977,6 +2973,32 @@ put_memory:
2977 shmem_unacct_size(flags, size); 2973 shmem_unacct_size(flags, size);
2978 return res; 2974 return res;
2979} 2975}
2976
2977/**
2978 * shmem_kernel_file_setup - get an unlinked file living in tmpfs which must be
2979 * kernel internal. There will be NO LSM permission checks against the
2980 * underlying inode. So users of this interface must do LSM checks at a
2981 * higher layer. The one user is the big_key implementation. LSM checks
2982 * are provided at the key level rather than the inode level.
2983 * @name: name for dentry (to be seen in /proc/<pid>/maps
2984 * @size: size to be set for the file
2985 * @flags: VM_NORESERVE suppresses pre-accounting of the entire object size
2986 */
2987struct file *shmem_kernel_file_setup(const char *name, loff_t size, unsigned long flags)
2988{
2989 return __shmem_file_setup(name, size, flags, S_PRIVATE);
2990}
2991
2992/**
2993 * shmem_file_setup - get an unlinked file living in tmpfs
2994 * @name: name for dentry (to be seen in /proc/<pid>/maps
2995 * @size: size to be set for the file
2996 * @flags: VM_NORESERVE suppresses pre-accounting of the entire object size
2997 */
2998struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags)
2999{
3000 return __shmem_file_setup(name, size, flags, 0);
3001}
2980EXPORT_SYMBOL_GPL(shmem_file_setup); 3002EXPORT_SYMBOL_GPL(shmem_file_setup);
2981 3003
2982/** 3004/**