mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 06:33:41 +00:00
94 lines
2.6 KiB
Diff
94 lines
2.6 KiB
Diff
--- a/mm/shmem.c
|
|
+++ b/mm/shmem.c
|
|
@@ -3377,6 +3377,15 @@ put_path:
|
|
return res;
|
|
}
|
|
|
|
+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_kernel_file_setup - get an unlinked file living in tmpfs which must be
|
|
* kernel internal. There will be NO LSM permission checks against the
|
|
@@ -3416,11 +3425,8 @@ 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
|
|
@@ -216,6 +216,7 @@ 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
|
|
@@ -461,6 +461,8 @@ static void exit_mm(struct task_struct *
|
|
mmput(mm);
|
|
clear_thread_flag(TIF_MEMDIE);
|
|
}
|
|
+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
|
|
@@ -3188,6 +3188,7 @@ 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
|
|
@@ -1404,6 +1404,7 @@ 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
|
|
@@ -1372,6 +1372,7 @@ 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
|
|
@@ -49,6 +49,8 @@ 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 struct file *shmem_kernel_file_setup(const char *name, loff_t size,
|
|
unsigned long flags);
|
|
extern int shmem_zero_setup(struct vm_area_struct *);
|