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author | Florian Fainelli <florian@openwrt.org> | 2013-03-14 14:45:56 +0000 |
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committer | Florian Fainelli <florian@openwrt.org> | 2013-03-14 14:45:56 +0000 |
commit | b2e63b8ea81fae72aef69649631cf491bac5306f (patch) | |
tree | 9a4bc7d83c339b4b842999287e3ae5e5d5d6734a /target/linux/generic/patches-3.9/950-vm_exports.patch | |
parent | 32f3b1e3582701ef6c8c248b9ad0a761c42bbc1b (diff) | |
download | upstream-b2e63b8ea81fae72aef69649631cf491bac5306f.tar.gz upstream-b2e63b8ea81fae72aef69649631cf491bac5306f.tar.bz2 upstream-b2e63b8ea81fae72aef69649631cf491bac5306f.zip |
kernel: add support for 3.9-rc2
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 36008
Diffstat (limited to 'target/linux/generic/patches-3.9/950-vm_exports.patch')
-rw-r--r-- | target/linux/generic/patches-3.9/950-vm_exports.patch | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.9/950-vm_exports.patch b/target/linux/generic/patches-3.9/950-vm_exports.patch new file mode 100644 index 0000000000..4432184695 --- /dev/null +++ b/target/linux/generic/patches-3.9/950-vm_exports.patch @@ -0,0 +1,101 @@ +--- a/mm/shmem.c ++++ b/mm/shmem.c +@@ -2889,6 +2889,15 @@ static struct dentry_operations anon_ops + .d_dname = shmem_dname + }; + ++void shmem_set_file(struct vm_area_struct *vma, struct file *file) ++{ ++ if (vma->vm_file) ++ fput(vma->vm_file); ++ vma->vm_file = file; ++ vma->vm_ops = &shmem_vm_ops; ++} ++EXPORT_SYMBOL_GPL(shmem_set_file); ++ + /** + * shmem_file_setup - get an unlinked file living in tmpfs + * @name: name for dentry (to be seen in /proc/<pid>/maps +@@ -2964,11 +2973,8 @@ int shmem_zero_setup(struct vm_area_stru + file = shmem_file_setup("dev/zero", size, vma->vm_flags); + if (IS_ERR(file)) + return PTR_ERR(file); ++ shmem_set_file(vma, file); + +- if (vma->vm_file) +- fput(vma->vm_file); +- vma->vm_file = file; +- vma->vm_ops = &shmem_vm_ops; + return 0; + } + +--- a/fs/file.c ++++ b/fs/file.c +@@ -270,6 +270,7 @@ static inline void __set_open_fd(int fd, + { + __set_bit(fd, fdt->open_fds); + } ++EXPORT_SYMBOL_GPL(expand_files); + + static inline void __clear_open_fd(int fd, struct fdtable *fdt) + { +--- a/kernel/exit.c ++++ b/kernel/exit.c +@@ -501,6 +501,8 @@ static void exit_mm(struct task_struct * + mm_update_next_owner(mm); + mmput(mm); + } ++EXPORT_SYMBOL_GPL(get_files_struct); ++EXPORT_SYMBOL_GPL(put_files_struct); + + /* + * When we die, we re-parent all our children, and try to: +--- a/kernel/sched/core.c ++++ b/kernel/sched/core.c +@@ -3671,6 +3671,7 @@ int can_nice(const struct task_struct *p + return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) || + capable(CAP_SYS_NICE)); + } ++EXPORT_SYMBOL_GPL(can_nice); + + #ifdef __ARCH_WANT_SYS_NICE + +--- a/mm/memory.c ++++ b/mm/memory.c +@@ -1412,6 +1412,7 @@ void zap_page_range(struct vm_area_struc + mmu_notifier_invalidate_range_end(mm, start, end); + tlb_finish_mmu(&tlb, start, end); + } ++EXPORT_SYMBOL_GPL(zap_page_range); + + /** + * zap_page_range_single - remove user pages in a given range +--- a/mm/vmalloc.c ++++ b/mm/vmalloc.c +@@ -1266,6 +1266,7 @@ void unmap_kernel_range(unsigned long ad + vunmap_page_range(addr, end); + flush_tlb_kernel_range(addr, end); + } ++EXPORT_SYMBOL_GPL(unmap_kernel_range); + + int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages) + { +@@ -1404,6 +1405,7 @@ struct vm_struct *get_vm_area(unsigned l + NUMA_NO_NODE, GFP_KERNEL, + __builtin_return_address(0)); + } ++EXPORT_SYMBOL_GPL(get_vm_area); + + struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags, + const void *caller) +--- a/include/linux/shmem_fs.h ++++ b/include/linux/shmem_fs.h +@@ -47,6 +47,8 @@ extern int shmem_init(void); + extern int shmem_fill_super(struct super_block *sb, void *data, int silent); + extern struct file *shmem_file_setup(const char *name, + loff_t size, unsigned long flags); ++ ++extern void shmem_set_file(struct vm_area_struct *vma, struct file *file); + extern int shmem_zero_setup(struct vm_area_struct *); + extern int shmem_lock(struct file *file, int lock, struct user_struct *user); + extern void shmem_unlock_mapping(struct address_space *mapping); |