1 files changed, 43 insertions, 38 deletions

diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index ad2ce7a6ab7a..fdc9aeb74a44 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -61,6 +61,7 @@ struct vm_struct {
 	unsigned int		nr_pages;
 	phys_addr_t		phys_addr;
 	const void		*caller;
+	unsigned long		requested_size;
 };
 
 struct vmap_area {
@@ -113,6 +114,14 @@ static inline unsigned long arch_vmap_pte_range_map_size(unsigned long addr, uns
 }
 #endif
 
+#ifndef arch_vmap_pte_range_unmap_size
+static inline unsigned long arch_vmap_pte_range_unmap_size(unsigned long addr,
+							   pte_t *ptep)
+{
+	return PAGE_SIZE;
+}
+#endif
+
 #ifndef arch_vmap_pte_supported_shift
 static inline int arch_vmap_pte_supported_shift(unsigned long size)
 {
@@ -134,12 +143,6 @@ extern void vm_unmap_ram(const void *mem, unsigned int count);
 extern void *vm_map_ram(struct page **pages, unsigned int count, int node);
 extern void vm_unmap_aliases(void);
 
-#ifdef CONFIG_MMU
-extern unsigned long vmalloc_nr_pages(void);
-#else
-static inline unsigned long vmalloc_nr_pages(void) { return 0; }
-#endif
-
 extern void *vmalloc_noprof(unsigned long size) __alloc_size(1);
 #define vmalloc(...)		alloc_hooks(vmalloc_noprof(__VA_ARGS__))
 
@@ -174,8 +177,13 @@ void *__vmalloc_node_noprof(unsigned long size, unsigned long align, gfp_t gfp_m
 		int node, const void *caller) __alloc_size(1);
 #define __vmalloc_node(...)	alloc_hooks(__vmalloc_node_noprof(__VA_ARGS__))
 
-void *vmalloc_huge_noprof(unsigned long size, gfp_t gfp_mask) __alloc_size(1);
-#define vmalloc_huge(...)	alloc_hooks(vmalloc_huge_noprof(__VA_ARGS__))
+void *vmalloc_huge_node_noprof(unsigned long size, gfp_t gfp_mask, int node) __alloc_size(1);
+#define vmalloc_huge_node(...)	alloc_hooks(vmalloc_huge_node_noprof(__VA_ARGS__))
+
+static inline void *vmalloc_huge(unsigned long size, gfp_t gfp_mask)
+{
+	return vmalloc_huge_node(size, gfp_mask, NUMA_NO_NODE);
+}
 
 extern void *__vmalloc_array_noprof(size_t n, size_t size, gfp_t flags) __alloc_size(1, 2);
 #define __vmalloc_array(...)	alloc_hooks(__vmalloc_array_noprof(__VA_ARGS__))
@@ -208,6 +216,9 @@ extern int remap_vmalloc_range_partial(struct vm_area_struct *vma,
 extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
 							unsigned long pgoff);
 
+int vmap_pages_range(unsigned long addr, unsigned long end, pgprot_t prot,
+		     struct page **pages, unsigned int page_shift);
+
 /*
  * Architectures can set this mask to a combination of PGTBL_P?D_MODIFIED values
  * and let generic vmalloc and ioremap code know when arch_sync_kernel_mappings()
@@ -266,12 +277,29 @@ static inline bool is_vm_area_hugepages(const void *addr)
 #endif
 }
 
+/* for /proc/kcore */
+long vread_iter(struct iov_iter *iter, const char *addr, size_t count);
+
+/*
+ *	Internals.  Don't use..
+ */
+__init void vm_area_add_early(struct vm_struct *vm);
+__init void vm_area_register_early(struct vm_struct *vm, size_t align);
+
+int register_vmap_purge_notifier(struct notifier_block *nb);
+int unregister_vmap_purge_notifier(struct notifier_block *nb);
+
 #ifdef CONFIG_MMU
+#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
+
+unsigned long vmalloc_nr_pages(void);
+
 int vm_area_map_pages(struct vm_struct *area, unsigned long start,
 		      unsigned long end, struct page **pages);
 void vm_area_unmap_pages(struct vm_struct *area, unsigned long start,
 			 unsigned long end);
 void vunmap_range(unsigned long addr, unsigned long end);
+
 static inline void set_vm_flush_reset_perms(void *addr)
 {
 	struct vm_struct *vm = find_vm_area(addr);
@@ -279,24 +307,14 @@ static inline void set_vm_flush_reset_perms(void *addr)
 	if (vm)
 		vm->flags |= VM_FLUSH_RESET_PERMS;
 }
+#else  /* !CONFIG_MMU */
+#define VMALLOC_TOTAL 0UL
 
-#else
-static inline void set_vm_flush_reset_perms(void *addr)
-{
-}
-#endif
-
-/* for /proc/kcore */
-extern long vread_iter(struct iov_iter *iter, const char *addr, size_t count);
-
-/*
- *	Internals.  Don't use..
- */
-extern __init void vm_area_add_early(struct vm_struct *vm);
-extern __init void vm_area_register_early(struct vm_struct *vm, size_t align);
+static inline unsigned long vmalloc_nr_pages(void) { return 0; }
+static inline void set_vm_flush_reset_perms(void *addr) {}
+#endif /* CONFIG_MMU */
 
-#ifdef CONFIG_SMP
-# ifdef CONFIG_MMU
+#if defined(CONFIG_MMU) && defined(CONFIG_SMP)
 struct vm_struct **pcpu_get_vm_areas(const unsigned long *offsets,
 				     const size_t *sizes, int nr_vms,
 				     size_t align);
@@ -311,22 +329,9 @@ pcpu_get_vm_areas(const unsigned long *offsets,
 	return NULL;
 }
 
-static inline void
-pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms)
-{
-}
-# endif
-#endif
-
-#ifdef CONFIG_MMU
-#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
-#else
-#define VMALLOC_TOTAL 0UL
+static inline void pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms) {}
 #endif
 
-int register_vmap_purge_notifier(struct notifier_block *nb);
-int unregister_vmap_purge_notifier(struct notifier_block *nb);
-
 #if defined(CONFIG_MMU) && defined(CONFIG_PRINTK)
 bool vmalloc_dump_obj(void *object);
 #else