Merge branch 'master'

66 files changed, 431 insertions, 248 deletions

diff --git a/include/asm-arm/arch-pxa/audio.h b/include/asm-arm/arch-pxa/audio.h
index 60976f830e3..17eccd72013 100644
--- a/include/asm-arm/arch-pxa/audio.h
+++ b/include/asm-arm/arch-pxa/audio.h
@@ -6,8 +6,8 @@
 #include <sound/pcm.h>
 
 typedef struct {
-	int (*startup)(snd_pcm_substream_t *, void *);
-	void (*shutdown)(snd_pcm_substream_t *, void *);
+	int (*startup)(struct snd_pcm_substream *, void *);
+	void (*shutdown)(struct snd_pcm_substream *, void *);
 	void (*suspend)(void *);
 	void (*resume)(void *);
 	void *priv;
diff --git a/include/asm-i386/acpi.h b/include/asm-i386/acpi.h
index 55059abf9c9..20f52395421 100644
--- a/include/asm-i386/acpi.h
+++ b/include/asm-i386/acpi.h
@@ -103,6 +103,12 @@ __acpi_release_global_lock (unsigned int *lock)
         :"=r"(n_hi), "=r"(n_lo)     \
         :"0"(n_hi), "1"(n_lo))
 
+#ifdef CONFIG_X86_IO_APIC
+extern void check_acpi_pci(void);
+#else
+static inline void check_acpi_pci(void) { }
+#endif
+
 #ifdef CONFIG_ACPI 
 extern int acpi_lapic;
 extern int acpi_ioapic;
@@ -128,8 +134,6 @@ extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq);
 extern int skip_ioapic_setup;
 extern int acpi_skip_timer_override;
 
-extern void check_acpi_pci(void);
-
 static inline void disable_ioapic_setup(void)
 {
 	skip_ioapic_setup = 1;
@@ -142,8 +146,6 @@ static inline int ioapic_setup_disabled(void)
 
 #else
 static inline void disable_ioapic_setup(void) { }
-static inline void check_acpi_pci(void) { }
-
 #endif
 
 static inline void acpi_noirq_set(void) { acpi_noirq = 1; }
diff --git a/include/asm-i386/pgtable.h b/include/asm-i386/pgtable.h
index 088a945bf26..ee056c41a9f 100644
--- a/include/asm-i386/pgtable.h
+++ b/include/asm-i386/pgtable.h
@@ -219,13 +219,12 @@ extern unsigned long pg0[];
  * The following only work if pte_present() is true.
  * Undefined behaviour if not..
  */
-#define __LARGE_PTE (_PAGE_PSE | _PAGE_PRESENT)
 static inline int pte_user(pte_t pte)		{ return (pte).pte_low & _PAGE_USER; }
 static inline int pte_read(pte_t pte)		{ return (pte).pte_low & _PAGE_USER; }
 static inline int pte_dirty(pte_t pte)		{ return (pte).pte_low & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)		{ return (pte).pte_low & _PAGE_ACCESSED; }
 static inline int pte_write(pte_t pte)		{ return (pte).pte_low & _PAGE_RW; }
-static inline int pte_huge(pte_t pte)		{ return ((pte).pte_low & __LARGE_PTE) == __LARGE_PTE; }
+static inline int pte_huge(pte_t pte)		{ return (pte).pte_low & _PAGE_PSE; }
 
 /*
  * The following only works if pte_present() is not true.
@@ -242,7 +241,7 @@ static inline pte_t pte_mkexec(pte_t pte)	{ (pte).pte_low |= _PAGE_USER; return
 static inline pte_t pte_mkdirty(pte_t pte)	{ (pte).pte_low |= _PAGE_DIRTY; return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)	{ (pte).pte_low |= _PAGE_ACCESSED; return pte; }
 static inline pte_t pte_mkwrite(pte_t pte)	{ (pte).pte_low |= _PAGE_RW; return pte; }
-static inline pte_t pte_mkhuge(pte_t pte)	{ (pte).pte_low |= __LARGE_PTE; return pte; }
+static inline pte_t pte_mkhuge(pte_t pte)	{ (pte).pte_low |= _PAGE_PSE; return pte; }
 
 #ifdef CONFIG_X86_PAE
 # include <asm/pgtable-3level.h>
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h
index 5e6362a786b..3ab27333dae 100644
--- a/include/asm-ia64/page.h
+++ b/include/asm-ia64/page.h
@@ -57,6 +57,8 @@
 
 # define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
 # define ARCH_HAS_HUGEPAGE_ONLY_RANGE
+# define ARCH_HAS_PREPARE_HUGEPAGE_RANGE
+# define ARCH_HAS_HUGETLB_FREE_PGD_RANGE
 #endif /* CONFIG_HUGETLB_PAGE */
 
 #ifdef __ASSEMBLY__
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h
index e2560c58384..c0f8144f234 100644
--- a/include/asm-ia64/pgtable.h
+++ b/include/asm-ia64/pgtable.h
@@ -314,7 +314,7 @@ ia64_phys_addr_valid (unsigned long addr)
 #define pte_mkyoung(pte)	(__pte(pte_val(pte) | _PAGE_A))
 #define pte_mkclean(pte)	(__pte(pte_val(pte) & ~_PAGE_D))
 #define pte_mkdirty(pte)	(__pte(pte_val(pte) | _PAGE_D))
-#define pte_mkhuge(pte)		(__pte(pte_val(pte) | _PAGE_P))
+#define pte_mkhuge(pte)		(__pte(pte_val(pte)))
 
 /*
  * Macro to a page protection value as "uncacheable".  Note that "protection" is really a
@@ -505,9 +505,6 @@ extern struct page *zero_page_memmap_ptr;
 #define HUGETLB_PGDIR_SHIFT	(HPAGE_SHIFT + 2*(PAGE_SHIFT-3))
 #define HUGETLB_PGDIR_SIZE	(__IA64_UL(1) << HUGETLB_PGDIR_SHIFT)
 #define HUGETLB_PGDIR_MASK	(~(HUGETLB_PGDIR_SIZE-1))
-struct mmu_gather;
-void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
-		unsigned long end, unsigned long floor, unsigned long ceiling);
 #endif
 
 /*
diff --git a/include/asm-mips/termbits.h b/include/asm-mips/termbits.h
index c29c65b7818..fa6d04dac56 100644
--- a/include/asm-mips/termbits.h
+++ b/include/asm-mips/termbits.h
@@ -77,7 +77,7 @@ struct termios {
 #define IXANY	0004000		/* Any character will restart after stop.  */
 #define IXOFF	0010000		/* Enable start/stop input control.  */
 #define IMAXBEL	0020000		/* Ring bell when input queue is full.  */
-#define IUTF8	0040000		/* Input is UTF8 */
+#define IUTF8	0040000		/* Input is UTF-8 */
 
 /* c_oflag bits */
 #define OPOST	0000001		/* Perform output processing.  */
diff --git a/include/asm-powerpc/pgtable.h b/include/asm-powerpc/pgtable.h
index e38931379a7..185ee15963a 100644
--- a/include/asm-powerpc/pgtable.h
+++ b/include/asm-powerpc/pgtable.h
@@ -468,11 +468,6 @@ extern pgd_t swapper_pg_dir[];
 
 extern void paging_init(void);
 
-#ifdef CONFIG_HUGETLB_PAGE
-#define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) \
-	free_pgd_range(tlb, addr, end, floor, ceiling)
-#endif
-
 /*
  * This gets called at the end of handling a page fault, when
  * the kernel has put a new PTE into the page table for the process.
diff --git a/include/asm-s390/pgalloc.h b/include/asm-s390/pgalloc.h
index 3417dd71ab4..e28aaf28e4a 100644
--- a/include/asm-s390/pgalloc.h
+++ b/include/asm-s390/pgalloc.h
@@ -158,11 +158,4 @@ static inline void pte_free(struct page *pte)
 
 #define __pte_free_tlb(tlb,pte) tlb_remove_page(tlb,pte)
 
-/*
- * This establishes kernel virtual mappings (e.g., as a result of a
- * vmalloc call).  Since s390-esame uses a separate kernel page table,
- * there is nothing to do here... :)
- */
-#define set_pgdir(addr,entry) do { } while(0)
-
 #endif /* _S390_PGALLOC_H */
diff --git a/include/asm-sh64/pgalloc.h b/include/asm-sh64/pgalloc.h
index 678251ac1db..b29dd468817 100644
--- a/include/asm-sh64/pgalloc.h
+++ b/include/asm-sh64/pgalloc.h
@@ -167,22 +167,6 @@ static __inline__ void pmd_free(pmd_t *pmd)
 
 extern int do_check_pgt_cache(int, int);
 
-static inline void set_pgdir(unsigned long address, pgd_t entry)
-{
-	struct task_struct * p;
-	pgd_t *pgd;
-
-	read_lock(&tasklist_lock);
-	for_each_process(p) {
-		if (!p->mm)
-			continue;
-		*pgd_offset(p->mm,address) = entry;
-	}
-	read_unlock(&tasklist_lock);
-	for (pgd = (pgd_t *)pgd_quicklist; pgd; pgd = (pgd_t *)*(unsigned long *)pgd)
-		pgd[address >> PGDIR_SHIFT] = entry;
-}
-
 #define pmd_populate_kernel(mm, pmd, pte) \
 	set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) (pte)))
 
diff --git a/include/asm-sparc/pgtable.h b/include/asm-sparc/pgtable.h
index b33c35411e8..9eea8f4d41f 100644
--- a/include/asm-sparc/pgtable.h
+++ b/include/asm-sparc/pgtable.h
@@ -269,11 +269,14 @@ BTFIXUPDEF_CALL_CONST(pte_t, mk_pte, struct page *, pgprot_t)
 
 BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_phys, unsigned long, pgprot_t)
 BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_io, unsigned long, pgprot_t, int)
+BTFIXUPDEF_CALL_CONST(pgprot_t, pgprot_noncached, pgprot_t)
 
 #define mk_pte(page,pgprot) BTFIXUP_CALL(mk_pte)(page,pgprot)
 #define mk_pte_phys(page,pgprot) BTFIXUP_CALL(mk_pte_phys)(page,pgprot)
 #define mk_pte_io(page,pgprot,space) BTFIXUP_CALL(mk_pte_io)(page,pgprot,space)
 
+#define pgprot_noncached(pgprot) BTFIXUP_CALL(pgprot_noncached)(pgprot)
+
 BTFIXUPDEF_INT(pte_modify_mask)
 
 static pte_t pte_modify(pte_t pte, pgprot_t newprot) __attribute_const__;
@@ -309,9 +312,6 @@ BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long)
 #define pte_unmap(pte)		do{}while(0)
 #define pte_unmap_nested(pte)	do{}while(0)
 
-/* The permissions for pgprot_val to make a page mapped on the obio space */
-extern unsigned int pg_iobits;
-
 /* Certain architectures need to do special things when pte's
  * within a page table are directly modified.  Thus, the following
  * hook is made available.
diff --git a/include/asm-sparc64/cpudata.h b/include/asm-sparc64/cpudata.h
index c66a81bbc84..9d6a6dbaf12 100644
--- a/include/asm-sparc64/cpudata.h
+++ b/include/asm-sparc64/cpudata.h
@@ -71,7 +71,8 @@ struct trap_per_cpu {
 /* Dcache line 7: Physical addresses of CPU send mondo block and CPU list.  */
 	unsigned long		cpu_mondo_block_pa;
 	unsigned long		cpu_list_pa;
-	unsigned long		__pad1[2];
+	unsigned long		tsb_huge;
+	unsigned long		tsb_huge_temp;
 
 /* Dcache line 8: Unused, needed to keep trap_block a power-of-2 in size.  */
 	unsigned long		__pad2[4];
@@ -116,6 +117,8 @@ extern struct sun4v_2insn_patch_entry __sun4v_2insn_patch,
 #define TRAP_PER_CPU_FAULT_INFO		0x40
 #define TRAP_PER_CPU_CPU_MONDO_BLOCK_PA	0xc0
 #define TRAP_PER_CPU_CPU_LIST_PA	0xc8
+#define TRAP_PER_CPU_TSB_HUGE		0xd0
+#define TRAP_PER_CPU_TSB_HUGE_TEMP	0xd8
 
 #define TRAP_BLOCK_SZ_SHIFT		8
 
diff --git a/include/asm-sparc64/mmu.h b/include/asm-sparc64/mmu.h
index 230ba678d3b..2d4f2ea9568 100644
--- a/include/asm-sparc64/mmu.h
+++ b/include/asm-sparc64/mmu.h
@@ -90,18 +90,39 @@ extern void __tsb_insert(unsigned long ent, unsigned long tag, unsigned long pte
 extern void tsb_flush(unsigned long ent, unsigned long tag);
 extern void tsb_init(struct tsb *tsb, unsigned long size);
 
-typedef struct {
-	spinlock_t		lock;
-	unsigned long		sparc64_ctx_val;
+struct tsb_config {
 	struct tsb		*tsb;
 	unsigned long		tsb_rss_limit;
 	unsigned long		tsb_nentries;
 	unsigned long		tsb_reg_val;
 	unsigned long		tsb_map_vaddr;
 	unsigned long		tsb_map_pte;
-	struct hv_tsb_descr	tsb_descr;
+};
+
+#define MM_TSB_BASE	0
+
+#ifdef CONFIG_HUGETLB_PAGE
+#define MM_TSB_HUGE	1
+#define MM_NUM_TSBS	2
+#else
+#define MM_NUM_TSBS	1
+#endif
+
+typedef struct {
+	spinlock_t		lock;
+	unsigned long		sparc64_ctx_val;
+	unsigned long		huge_pte_count;
+	struct tsb_config	tsb_block[MM_NUM_TSBS];
+	struct hv_tsb_descr	tsb_descr[MM_NUM_TSBS];
 } mm_context_t;
 
 #endif /* !__ASSEMBLY__ */
 
+#define TSB_CONFIG_TSB		0x00
+#define TSB_CONFIG_RSS_LIMIT	0x08
+#define TSB_CONFIG_NENTRIES	0x10
+#define TSB_CONFIG_REG_VAL	0x18
+#define TSB_CONFIG_MAP_VADDR	0x20
+#define TSB_CONFIG_MAP_PTE	0x28
+
 #endif /* __MMU_H */
diff --git a/include/asm-sparc64/mmu_context.h b/include/asm-sparc64/mmu_context.h
index e7974321d05..2337eb48771 100644
--- a/include/asm-sparc64/mmu_context.h
+++ b/include/asm-sparc64/mmu_context.h
@@ -29,20 +29,25 @@ extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
 extern void destroy_context(struct mm_struct *mm);
 
 extern void __tsb_context_switch(unsigned long pgd_pa,
-				 unsigned long tsb_reg,
-				 unsigned long tsb_vaddr,
-				 unsigned long tsb_pte,
+				 struct tsb_config *tsb_base,
+				 struct tsb_config *tsb_huge,
 				 unsigned long tsb_descr_pa);
 
 static inline void tsb_context_switch(struct mm_struct *mm)
 {
-	__tsb_context_switch(__pa(mm->pgd), mm->context.tsb_reg_val,
-			     mm->context.tsb_map_vaddr,
-			     mm->context.tsb_map_pte,
-			     __pa(&mm->context.tsb_descr));
+	__tsb_context_switch(__pa(mm->pgd),
+			     &mm->context.tsb_block[0],
+#ifdef CONFIG_HUGETLB_PAGE
+			     (mm->context.tsb_block[1].tsb ?
+			      &mm->context.tsb_block[1] :
+			      NULL)
+#else
+			     NULL
+#endif
+			     , __pa(&mm->context.tsb_descr[0]));
 }
 
-extern void tsb_grow(struct mm_struct *mm, unsigned long mm_rss);
+extern void tsb_grow(struct mm_struct *mm, unsigned long tsb_index, unsigned long mm_rss);
 #ifdef CONFIG_SMP
 extern void smp_tsb_sync(struct mm_struct *mm);
 #else
diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h
index fcb2812265f..66fe4ac59fd 100644
--- a/include/asm-sparc64/page.h
+++ b/include/asm-sparc64/page.h
@@ -30,6 +30,23 @@
 
 #ifdef __KERNEL__
 
+#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB)
+#define HPAGE_SHIFT		22
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K)
+#define HPAGE_SHIFT		19
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
+#define HPAGE_SHIFT		16
+#endif
+
+#ifdef CONFIG_HUGETLB_PAGE
+#define HPAGE_SIZE		(_AC(1,UL) << HPAGE_SHIFT)
+#define HPAGE_MASK		(~(HPAGE_SIZE - 1UL))
+#define HUGETLB_PAGE_ORDER	(HPAGE_SHIFT - PAGE_SHIFT)
+#define ARCH_HAS_SETCLEAR_HUGE_PTE
+#define ARCH_HAS_HUGETLB_PREFAULT_HOOK
+#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
+#endif
+
 #ifndef __ASSEMBLY__
 
 extern void _clear_page(void *page);
@@ -90,23 +107,6 @@ typedef unsigned long pgprot_t;
 
 #endif /* (STRICT_MM_TYPECHECKS) */
 
-#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB)
-#define HPAGE_SHIFT		22
-#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K)
-#define HPAGE_SHIFT		19
-#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K)
-#define HPAGE_SHIFT		16
-#endif
-
-#ifdef CONFIG_HUGETLB_PAGE
-#define HPAGE_SIZE		(_AC(1,UL) << HPAGE_SHIFT)
-#define HPAGE_MASK		(~(HPAGE_SIZE - 1UL))
-#define HUGETLB_PAGE_ORDER	(HPAGE_SHIFT - PAGE_SHIFT)
-#define ARCH_HAS_SETCLEAR_HUGE_PTE
-#define ARCH_HAS_HUGETLB_PREFAULT_HOOK
-#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
-#endif
-
 #define TASK_UNMAPPED_BASE	(test_thread_flag(TIF_32BIT) ? \
 				 (_AC(0x0000000070000000,UL)) : \
 				 (_AC(0xfffff80000000000,UL) + (1UL << 32UL)))
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index ed4124edf83..c44e7466534 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -105,6 +105,7 @@
 #define _PAGE_RES1_4U	  _AC(0x0002000000000000,UL) /* Reserved             */
 #define _PAGE_SZ32MB_4U	  _AC(0x0001000000000000,UL) /* (Panther) 32MB page  */
 #define _PAGE_SZ256MB_4U  _AC(0x2001000000000000,UL) /* (Panther) 256MB page */
+#define _PAGE_SZALL_4U	  _AC(0x6001000000000000,UL) /* All pgsz bits        */
 #define _PAGE_SN_4U	  _AC(0x0000800000000000,UL) /* (Cheetah) Snoop      */
 #define _PAGE_RES2_4U	  _AC(0x0000780000000000,UL) /* Reserved             */
 #define _PAGE_PADDR_4U	  _AC(0x000007FFFFFFE000,UL) /* (Cheetah) pa[42:13]  */
@@ -150,6 +151,7 @@
 #define _PAGE_SZ512K_4V	  _AC(0x0000000000000002,UL) /* 512K Page            */
 #define _PAGE_SZ64K_4V	  _AC(0x0000000000000001,UL) /* 64K Page             */
 #define _PAGE_SZ8K_4V	  _AC(0x0000000000000000,UL) /* 8K Page              */
+#define _PAGE_SZALL_4V	  _AC(0x0000000000000007,UL) /* All pgsz bits        */
 
 #if PAGE_SHIFT == 13
 #define _PAGE_SZBITS_4U	_PAGE_SZ8K_4U
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 715fd94cf57..a617d364d08 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -273,7 +273,7 @@ static inline int pte_dirty(pte_t pte)		{ return pte_val(pte) & _PAGE_DIRTY; }
 static inline int pte_young(pte_t pte)		{ return pte_val(pte) & _PAGE_ACCESSED; }
 static inline int pte_write(pte_t pte)		{ return pte_val(pte) & _PAGE_RW; }
 static inline int pte_file(pte_t pte)		{ return pte_val(pte) & _PAGE_FILE; }
-static inline int pte_huge(pte_t pte)		{ return (pte_val(pte) & __LARGE_PTE) == __LARGE_PTE; }
+static inline int pte_huge(pte_t pte)		{ return pte_val(pte) & _PAGE_PSE; }
 
 static inline pte_t pte_rdprotect(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
 static inline pte_t pte_exprotect(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
@@ -285,7 +285,7 @@ static inline pte_t pte_mkexec(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _
 static inline pte_t pte_mkdirty(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; }
 static inline pte_t pte_mkyoung(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; }
 static inline pte_t pte_mkwrite(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _PAGE_RW)); return pte; }
-static inline pte_t pte_mkhuge(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | __LARGE_PTE)); return pte; }
+static inline pte_t pte_mkhuge(pte_t pte)	{ set_pte(&pte, __pte(pte_val(pte) | _PAGE_PSE)); return pte; }
 
 struct vm_area_struct;
 
diff --git a/include/linux/device.h b/include/linux/device.h
index 5b595fdfb67..f6e72a65a3f 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -378,6 +378,7 @@ extern void device_bind_driver(struct device * dev);
 extern void device_release_driver(struct device * dev);
 extern int  device_attach(struct device * dev);
 extern void driver_attach(struct device_driver * drv);
+extern void device_reprobe(struct device *dev);
 
 
 /*
@@ -399,7 +400,7 @@ extern struct device * get_device(struct device * dev);
 extern void put_device(struct device * dev);
 
 
-/* drivers/base/power.c */
+/* drivers/base/power/shutdown.c */
 extern void device_shutdown(void);
 
 
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 2d80cc761a1..a8731062a74 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -20,6 +20,7 @@ enum dma_data_direction {
 #define DMA_31BIT_MASK	0x000000007fffffffULL
 #define DMA_30BIT_MASK	0x000000003fffffffULL
 #define DMA_29BIT_MASK	0x000000001fffffffULL
+#define DMA_28BIT_MASK	0x000000000fffffffULL
 
 #include <asm/dma-mapping.h>
 
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 68d82ad6b17..d6f1019625a 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -20,10 +20,7 @@ void unmap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long)
 int hugetlb_prefault(struct address_space *, struct vm_area_struct *);
 int hugetlb_report_meminfo(char *);