From 9f05f0575cc11fa117e4b58552ad98293fdf57fc Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 14 Jan 2009 01:03:38 +0000 Subject: [PATCH] add some extra kernel exports to be used by ashmem and binder later SVN-Revision: 14033 --- .../patches-2.6.27/980-vm_exports.patch | 114 ++++++++++++++++++ .../patches-2.6.28/980-vm_exports.patch | 113 +++++++++++++++++ 2 files changed, 227 insertions(+) create mode 100644 target/linux/generic-2.6/patches-2.6.27/980-vm_exports.patch create mode 100644 target/linux/generic-2.6/patches-2.6.28/980-vm_exports.patch diff --git a/target/linux/generic-2.6/patches-2.6.27/980-vm_exports.patch b/target/linux/generic-2.6/patches-2.6.27/980-vm_exports.patch new file mode 100644 index 0000000000..c11316edf9 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.27/980-vm_exports.patch @@ -0,0 +1,114 @@ +--- a/mm/shmem.c ++++ b/mm/shmem.c +@@ -2582,6 +2582,16 @@ put_memory: + shmem_unacct_size(flags, size); + return ERR_PTR(error); + } ++EXPORT_SYMBOL_GPL(shmem_file_setup); ++ ++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_zero_setup - setup a shared anonymous mapping +@@ -2596,9 +2606,6 @@ int shmem_zero_setup(struct vm_area_stru + if (IS_ERR(file)) + return PTR_ERR(file); + +- if (vma->vm_file) +- fput(vma->vm_file); +- vma->vm_file = file; +- vma->vm_ops = &shmem_vm_ops; ++ shmem_set_file(vma, vma->vm_file); + return 0; + } +--- a/fs/file.c ++++ b/fs/file.c +@@ -270,6 +270,7 @@ int expand_files(struct files_struct *fi + /* All good, so we try */ + return expand_fdtable(files, nr); + } ++EXPORT_SYMBOL_GPL(expand_files); + + static int count_open_files(struct fdtable *fdt) + { +--- a/kernel/exit.c ++++ b/kernel/exit.c +@@ -504,6 +504,7 @@ struct files_struct *get_files_struct(st + + return files; + } ++EXPORT_SYMBOL_GPL(get_files_struct); + + void put_files_struct(struct files_struct *files) + { +@@ -523,6 +524,7 @@ void put_files_struct(struct files_struc + free_fdtable(fdt); + } + } ++EXPORT_SYMBOL_GPL(put_files_struct); + + void reset_files_struct(struct files_struct *files) + { +--- a/kernel/fork.c ++++ b/kernel/fork.c +@@ -153,6 +153,7 @@ void __put_task_struct(struct task_struc + if (!profile_handoff_task(tsk)) + free_task(tsk); + } ++EXPORT_SYMBOL_GPL(__put_task_struct); + + /* + * macro override instead of weak attribute alias, to workaround +--- a/kernel/sched.c ++++ b/kernel/sched.c +@@ -4932,6 +4932,7 @@ int can_nice(const struct task_struct *p + return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur || + capable(CAP_SYS_NICE)); + } ++EXPORT_SYMBOL_GPL(can_nice); + + #ifdef __ARCH_WANT_SYS_NICE + +--- a/mm/memory.c ++++ b/mm/memory.c +@@ -993,6 +993,7 @@ unsigned long zap_page_range(struct vm_a + tlb_finish_mmu(tlb, address, end); + return end; + } ++EXPORT_SYMBOL_GPL(zap_page_range); + + /** + * zap_vma_ptes - remove ptes mapping the vma +@@ -2241,6 +2242,7 @@ int vmtruncate_range(struct inode *inode + + return 0; + } ++EXPORT_SYMBOL_GPL(vmtruncate_range); + + /* + * We enter with non-exclusive mmap_sem (to exclude vma changes, +--- a/mm/vmalloc.c ++++ b/mm/vmalloc.c +@@ -88,6 +88,7 @@ void unmap_kernel_range(unsigned long ad + } while (pgd++, addr = next, addr != end); + flush_tlb_kernel_range(start, end); + } ++EXPORT_SYMBOL_GPL(unmap_kernel_range); + + static void unmap_vm_area(struct vm_struct *area) + { +@@ -306,6 +307,7 @@ struct vm_struct *get_vm_area(unsigned l + return __get_vm_area_node(size, flags, VMALLOC_START, VMALLOC_END, + -1, 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, + void *caller) diff --git a/target/linux/generic-2.6/patches-2.6.28/980-vm_exports.patch b/target/linux/generic-2.6/patches-2.6.28/980-vm_exports.patch new file mode 100644 index 0000000000..ad36593a60 --- /dev/null +++ b/target/linux/generic-2.6/patches-2.6.28/980-vm_exports.patch @@ -0,0 +1,113 @@ +--- a/mm/shmem.c ++++ b/mm/shmem.c +@@ -2480,6 +2480,15 @@ static int shmem_get_sb(struct file_syst + return get_sb_nodev(fs_type, flags, data, shmem_fill_super, mnt); + } + ++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); ++ + static struct file_system_type tmpfs_fs_type = { + .owner = THIS_MODULE, + .name = "tmpfs", +@@ -2600,9 +2609,6 @@ int shmem_zero_setup(struct vm_area_stru + if (IS_ERR(file)) + return PTR_ERR(file); + +- if (vma->vm_file) +- fput(vma->vm_file); +- vma->vm_file = file; +- vma->vm_ops = &shmem_vm_ops; ++ shmem_set_file(vma, vma->vm_file); + return 0; + } +--- a/fs/file.c ++++ b/fs/file.c +@@ -270,6 +270,7 @@ int expand_files(struct files_struct *fi + /* All good, so we try */ + return expand_fdtable(files, nr); + } ++EXPORT_SYMBOL_GPL(expand_files); + + static int count_open_files(struct fdtable *fdt) + { +--- a/kernel/exit.c ++++ b/kernel/exit.c +@@ -509,6 +509,7 @@ struct files_struct *get_files_struct(st + + return files; + } ++EXPORT_SYMBOL_GPL(get_files_struct); + + void put_files_struct(struct files_struct *files) + { +@@ -528,6 +529,7 @@ void put_files_struct(struct files_struc + free_fdtable(fdt); + } + } ++EXPORT_SYMBOL_GPL(put_files_struct); + + void reset_files_struct(struct files_struct *files) + { +--- a/kernel/fork.c ++++ b/kernel/fork.c +@@ -155,6 +155,7 @@ void __put_task_struct(struct task_struc + if (!profile_handoff_task(tsk)) + free_task(tsk); + } ++EXPORT_SYMBOL_GPL(__put_task_struct); + + /* + * macro override instead of weak attribute alias, to workaround +--- a/kernel/sched.c ++++ b/kernel/sched.c +@@ -5015,6 +5015,7 @@ int can_nice(const struct task_struct *p + return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur || + capable(CAP_SYS_NICE)); + } ++EXPORT_SYMBOL_GPL(can_nice); + + #ifdef __ARCH_WANT_SYS_NICE + +--- a/mm/memory.c ++++ b/mm/memory.c +@@ -993,6 +993,7 @@ unsigned long zap_page_range(struct vm_a + tlb_finish_mmu(tlb, address, end); + return end; + } ++EXPORT_SYMBOL_GPL(zap_page_range); + + /** + * zap_vma_ptes - remove ptes mapping the vma +@@ -2271,6 +2272,7 @@ int vmtruncate_range(struct inode *inode + + return 0; + } ++EXPORT_SYMBOL_GPL(vmtruncate_range); + + /* + * We enter with non-exclusive mmap_sem (to exclude vma changes, +--- a/mm/vmalloc.c ++++ b/mm/vmalloc.c +@@ -980,6 +980,7 @@ 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) + { +@@ -1085,6 +1086,7 @@ struct vm_struct *get_vm_area(unsigned l + return __get_vm_area_node(size, flags, VMALLOC_START, VMALLOC_END, + -1, 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, + void *caller) -- 2.30.2