6 files changed, 52 insertions, 10 deletions

diff --git a/include/asm-arm/arch-ixp4xx/entry-macro.S b/include/asm-arm/arch-ixp4xx/entry-macro.S
index 455da64832de..323b0bc4a39c 100644
--- a/include/asm-arm/arch-ixp4xx/entry-macro.S
+++ b/include/asm-arm/arch-ixp4xx/entry-macro.S
@@ -15,25 +15,26 @@
                 ldr     \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP_OFFSET)
                 ldr     \irqstat, [\irqstat]            @ get interrupts
                 cmp     \irqstat, #0
-                beq     1001f
+                beq     1001f                           @ upper IRQ?
                 clz     \irqnr, \irqstat
                 mov     \base, #31
-                subs    \irqnr, \base, \irqnr
+                sub     \irqnr, \base, \irqnr
+                b       1002f                           @ lower IRQ being
+                                                        @ handled
 
 1001:
                 /*
                  * IXP465 has an upper IRQ status register
                  */
 #if defined(CONFIG_CPU_IXP46X)
-                bne     1002f
                 ldr     \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP2_OFFSET)
                 ldr     \irqstat, [\irqstat]            @ get upper interrupts
                 mov     \irqnr, #63
                 clz     \irqstat, \irqstat
                 cmp     \irqstat, #32
                 subne   \irqnr, \irqnr, \irqstat
-1002:
 #endif
+1002:
                 .endm
 
 
diff --git a/include/asm-arm/arch-ixp4xx/hardware.h b/include/asm-arm/arch-ixp4xx/hardware.h
index 4ac964b9078a..55d85eea8c1a 100644
--- a/include/asm-arm/arch-ixp4xx/hardware.h
+++ b/include/asm-arm/arch-ixp4xx/hardware.h
@@ -27,7 +27,7 @@
 
 #define pcibios_assign_all_busses()     1
 
-#if defined(CONFIG_CPU_IXP465) && !defined(__ASSEMBLY__)
+#if defined(CONFIG_CPU_IXP46X) && !defined(__ASSEMBLY__)
 extern unsigned int processor_id;
 #define cpu_is_ixp465() ((processor_id & 0xffffffc0) == 0x69054200)
 #else
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index 13fa2deb4ddd..3af7165ab0d7 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -653,7 +653,7 @@
 
 #define UDCCS_IO_RFS    (1 << 0)        /* Receive FIFO service */
 #define UDCCS_IO_RPC    (1 << 1)        /* Receive packet complete */
-#define UDCCS_IO_ROF    (1 << 3)        /* Receive overflow */
+#define UDCCS_IO_ROF    (1 << 2)        /* Receive overflow */
 #define UDCCS_IO_DME    (1 << 3)        /* DMA enable */
 #define UDCCS_IO_RNE    (1 << 6)        /* Receive FIFO not empty */
 #define UDCCS_IO_RSP    (1 << 7)        /* Receive short packet */
diff --git a/include/asm-arm/locks.h b/include/asm-arm/locks.h
index f08dc8447913..852220eecdbc 100644
--- a/include/asm-arm/locks.h
+++ b/include/asm-arm/locks.h
@@ -103,7 +103,7 @@
         ({                                      \
         smp_mb();                               \
         __asm__ __volatile__(                   \
-        "@ up_op_read\n"                        \
+        "@ up_op_write\n"                       \
 "1:     ldrex   lr, [%0]\n"                     \
 "       adds    lr, lr, %1\n"                   \
 "       strex   ip, lr, [%0]\n"                 \
@@ -231,7 +231,7 @@
 #define __up_op_write(ptr,wake)                 \
         ({                                      \
         __asm__ __volatile__(                   \
-        "@ up_op_read\n"                        \
+        "@ up_op_write\n"                       \
 "       mrs     ip, cpsr\n"                     \
 "       orr     lr, ip, #128\n"                 \
 "       msr     cpsr_c, lr\n"                   \
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 82bd8842d11c..3b03b0b868dd 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -43,7 +43,7 @@ typedef struct bootmem_data {
 extern unsigned long __init bootmem_bootmap_pages (unsigned long);
 extern unsigned long __init init_bootmem (unsigned long addr, unsigned long memend);
 extern void __init free_bootmem (unsigned long addr, unsigned long size);
-extern void * __init __alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal);
+extern void * __init __alloc_bootmem_limit (unsigned long size, unsigned long align, unsigned long goal, unsigned long limit);
 #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
 extern void __init reserve_bootmem (unsigned long addr, unsigned long size);
 #define alloc_bootmem(x) \
@@ -54,6 +54,16 @@ extern void __init reserve_bootmem (unsigned long addr, unsigned long size);
         __alloc_bootmem((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_low_pages(x) \
         __alloc_bootmem((x), PAGE_SIZE, 0)
+
+#define alloc_bootmem_limit(x, limit)                                           \
+        __alloc_bootmem_limit((x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_low_limit(x, limit)                       \
+        __alloc_bootmem_limit((x), SMP_CACHE_BYTES, 0, (limit))
+#define alloc_bootmem_pages_limit(x, limit)                                     \
+        __alloc_bootmem_limit((x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_low_pages_limit(x, limit)         \
+        __alloc_bootmem_limit((x), PAGE_SIZE, 0, (limit))
+
 #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
 extern unsigned long __init free_all_bootmem (void);
 
@@ -61,7 +71,7 @@ extern unsigned long __init init_bootmem_node (pg_data_t *pgdat, unsigned long f
 extern void __init reserve_bootmem_node (pg_data_t *pgdat, unsigned long physaddr, unsigned long size);
 extern void __init free_bootmem_node (pg_data_t *pgdat, unsigned long addr, unsigned long size);
 extern unsigned long __init free_all_bootmem_node (pg_data_t *pgdat);
-extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal);
+extern void * __init __alloc_bootmem_node_limit (pg_data_t *pgdat, unsigned long size, unsigned long align, unsigned long goal, unsigned long limit);
 #ifndef CONFIG_HAVE_ARCH_BOOTMEM_NODE
 #define alloc_bootmem_node(pgdat, x) \
         __alloc_bootmem_node((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS))
@@ -69,6 +79,14 @@ extern void * __init __alloc_bootmem_node (pg_data_t *pgdat, unsigned long size,
         __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS))
 #define alloc_bootmem_low_pages_node(pgdat, x) \
         __alloc_bootmem_node((pgdat), (x), PAGE_SIZE, 0)
+
+#define alloc_bootmem_node_limit(pgdat, x, limit)                               \
+        __alloc_bootmem_node_limit((pgdat), (x), SMP_CACHE_BYTES, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_pages_node_limit(pgdat, x, limit)                         \
+        __alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, __pa(MAX_DMA_ADDRESS), (limit))
+#define alloc_bootmem_low_pages_node_limit(pgdat, x, limit)             \
+        __alloc_bootmem_node_limit((pgdat), (x), PAGE_SIZE, 0, (limit))
+
 #endif /* !CONFIG_HAVE_ARCH_BOOTMEM_NODE */
 
 #ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP
@@ -105,5 +123,15 @@ extern void *__init alloc_large_system_hash(const char *tablename,
 #endif
 extern int __initdata hashdist;         /* Distribute hashes across NUMA nodes? */
 
+static inline void *__alloc_bootmem (unsigned long size, unsigned long align, unsigned long goal)
+{
+        return __alloc_bootmem_limit(size, align, goal, 0);
+}
+
+static inline void *__alloc_bootmem_node (pg_data_t *pgdat, unsigned long size, unsigned long align,
+                                     unsigned long goal)
+{
+        return __alloc_bootmem_node_limit(pgdat, size, align, goal, 0);
+}
 
 #endif /* _LINUX_BOOTMEM_H */
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index e670b0d13fe0..42cb7d70f9ac 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -155,11 +155,24 @@ static inline void set_file_hugepages(struct file *file)
 {
         file->f_op = &hugetlbfs_file_operations;
 }
+
+static inline int valid_hugetlb_file_off(struct vm_area_struct *vma, 
+                                          unsigned long address) 
+{
+        struct inode *inode = vma->vm_file->f_dentry->d_inode;
+        loff_t file_off = address - vma->vm_start;
+        
+        file_off += (vma->vm_pgoff << PAGE_SHIFT);
+        
+        return (file_off < inode->i_size);
+}
+
 #else /* !CONFIG_HUGETLBFS */
 
 #define is_file_hugepages(file)         0
 #define set_file_hugepages(file)        BUG()
 #define hugetlb_zero_setup(size)        ERR_PTR(-ENOSYS)
+#define valid_hugetlb_file_off(vma, address)    0
 
 #endif /* !CONFIG_HUGETLBFS */