137 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			137 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
--- a/mm/shmem.c
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+++ b/mm/shmem.c
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@@ -2606,6 +2606,16 @@ int shmem_unuse(swp_entry_t entry, struc
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 /* common code */
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+void shmem_set_file(struct vm_area_struct *vma, struct file *file)
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+{
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+	ima_shm_check(file);
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+	if (vma->vm_file)
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+		fput(vma->vm_file);
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+	vma->vm_file = file;
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+	vma->vm_ops = &shmem_vm_ops;
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+}
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+EXPORT_SYMBOL_GPL(shmem_set_file);
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+
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 /**
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  * shmem_file_setup - get an unlinked file living in tmpfs
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  * @name: name for dentry (to be seen in /proc/<pid>/maps
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@@ -2684,11 +2694,7 @@ int shmem_zero_setup(struct vm_area_stru
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 	if (IS_ERR(file))
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 		return PTR_ERR(file);
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-	ima_shm_check(file);
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-	if (vma->vm_file)
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-		fput(vma->vm_file);
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-	vma->vm_file = file;
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-	vma->vm_ops = &shmem_vm_ops;
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+	shmem_set_file(vma, file);
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 	return 0;
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 }
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--- a/fs/file.c
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+++ b/fs/file.c
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@@ -270,6 +270,7 @@ int expand_files(struct files_struct *fi
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 	/* All good, so we try */
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 	return expand_fdtable(files, nr);
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 }
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+EXPORT_SYMBOL_GPL(expand_files);
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 static int count_open_files(struct fdtable *fdt)
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 {
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--- a/kernel/exit.c
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+++ b/kernel/exit.c
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@@ -508,6 +508,7 @@ struct files_struct *get_files_struct(st
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 	return files;
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 }
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+EXPORT_SYMBOL_GPL(get_files_struct);
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 void put_files_struct(struct files_struct *files)
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 {
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@@ -527,6 +528,7 @@ void put_files_struct(struct files_struc
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 		free_fdtable(fdt);
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 	}
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 }
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+EXPORT_SYMBOL_GPL(put_files_struct);
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 void reset_files_struct(struct files_struct *files)
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 {
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--- a/kernel/fork.c
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+++ b/kernel/fork.c
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@@ -160,6 +160,7 @@ void __put_task_struct(struct task_struc
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 	if (!profile_handoff_task(tsk))
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 		free_task(tsk);
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 }
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+EXPORT_SYMBOL_GPL(__put_task_struct);
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 /*
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  * macro override instead of weak attribute alias, to workaround
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--- a/kernel/sched.c
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+++ b/kernel/sched.c
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@@ -5666,6 +5666,7 @@ int can_nice(const struct task_struct *p
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 	return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
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 		capable(CAP_SYS_NICE));
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 }
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+EXPORT_SYMBOL_GPL(can_nice);
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 #ifdef __ARCH_WANT_SYS_NICE
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--- a/mm/memory.c
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+++ b/mm/memory.c
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@@ -1063,6 +1063,7 @@ unsigned long zap_page_range(struct vm_a
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 		tlb_finish_mmu(tlb, address, end);
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 	return end;
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 }
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+EXPORT_SYMBOL_GPL(zap_page_range);
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 /**
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  * zap_vma_ptes - remove ptes mapping the vma
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@@ -2438,6 +2439,7 @@ int vmtruncate_range(struct inode *inode
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 	return 0;
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 }
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+EXPORT_SYMBOL_GPL(vmtruncate_range);
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 /*
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  * We enter with non-exclusive mmap_sem (to exclude vma changes,
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--- a/mm/vmalloc.c
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+++ b/mm/vmalloc.c
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@@ -1101,6 +1101,7 @@ void unmap_kernel_range(unsigned long ad
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 	vunmap_page_range(addr, end);
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 	flush_tlb_kernel_range(addr, end);
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 }
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+EXPORT_SYMBOL_GPL(unmap_kernel_range);
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 int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page ***pages)
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 {
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@@ -1214,6 +1215,7 @@ struct vm_struct *get_vm_area(unsigned l
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 	return __get_vm_area_node(size, flags, VMALLOC_START, VMALLOC_END,
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 				-1, GFP_KERNEL, __builtin_return_address(0));
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 }
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+EXPORT_SYMBOL_GPL(get_vm_area);
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 struct vm_struct *get_vm_area_caller(unsigned long size, unsigned long flags,
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 				void *caller)
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--- a/include/linux/mm.h
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+++ b/include/linux/mm.h
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@@ -726,6 +726,7 @@ static inline int shmem_lock(struct file
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 #endif
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 struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags);
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+void shmem_set_file(struct vm_area_struct *vma, struct file *file);
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 int shmem_zero_setup(struct vm_area_struct *);
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 #ifndef CONFIG_MMU
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--- a/kernel/signal.c
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+++ b/kernel/signal.c
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@@ -1053,6 +1053,7 @@ struct sighand_struct *lock_task_sighand
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 	return sighand;
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 }
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+EXPORT_SYMBOL(lock_task_sighand);
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 /*
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  * send signal info to all the members of a group
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