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-rw-r--r--arch/x86_64/Kconfig4
-rw-r--r--arch/x86_64/ia32/ia32_binfmt.c4
-rw-r--r--arch/x86_64/ia32/ia32entry.S2
-rw-r--r--arch/x86_64/ia32/sys_ia32.c66
-rw-r--r--arch/x86_64/kernel/mce_amd.c2
-rw-r--r--arch/x86_64/kernel/vmlinux.lds.S4
-rw-r--r--arch/x86_64/mm/fault.c21
7 files changed, 10 insertions, 93 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index d4275537b25..02dd39457bc 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -44,6 +44,10 @@ config MMU
bool
default y
+config ZONE_DMA
+ bool
+ default y
+
config ISA
bool
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index 5ce0bd486bb..6efe04f3cbc 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -300,12 +300,10 @@ int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top,
bprm->loader += stack_base;
bprm->exec += stack_base;
- mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+ mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (!mpnt)
return -ENOMEM;
- memset(mpnt, 0, sizeof(*mpnt));
-
down_write(&mm->mmap_sem);
{
mpnt->vm_mm = mm;
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S
index b4aa875e175..5f32cf4de5f 100644
--- a/arch/x86_64/ia32/ia32entry.S
+++ b/arch/x86_64/ia32/ia32entry.S
@@ -515,7 +515,7 @@ ia32_sys_call_table:
.quad sys32_vm86_warning /* vm86old */
.quad compat_sys_wait4
.quad sys_swapoff /* 115 */
- .quad sys32_sysinfo
+ .quad compat_sys_sysinfo
.quad sys32_ipc
.quad sys_fsync
.quad stub32_sigreturn
diff --git a/arch/x86_64/ia32/sys_ia32.c b/arch/x86_64/ia32/sys_ia32.c
index c9bac3af29d..200fdde18d9 100644
--- a/arch/x86_64/ia32/sys_ia32.c
+++ b/arch/x86_64/ia32/sys_ia32.c
@@ -523,72 +523,6 @@ sys32_sysfs(int option, u32 arg1, u32 arg2)
return sys_sysfs(option, arg1, arg2);
}
-struct sysinfo32 {
- s32 uptime;
- u32 loads[3];
- u32 totalram;
- u32 freeram;
- u32 sharedram;
- u32 bufferram;
- u32 totalswap;
- u32 freeswap;
- unsigned short procs;
- unsigned short pad;
- u32 totalhigh;
- u32 freehigh;
- u32 mem_unit;
- char _f[20-2*sizeof(u32)-sizeof(int)];
-};
-
-asmlinkage long
-sys32_sysinfo(struct sysinfo32 __user *info)
-{
- struct sysinfo s;
- int ret;
- mm_segment_t old_fs = get_fs ();
- int bitcount = 0;
-
- set_fs (KERNEL_DS);
- ret = sys_sysinfo((struct sysinfo __user *)&s);
- set_fs (old_fs);
-
- /* Check to see if any memory value is too large for 32-bit and scale
- * down if needed
- */
- if ((s.totalram >> 32) || (s.totalswap >> 32)) {
- while (s.mem_unit < PAGE_SIZE) {
- s.mem_unit <<= 1;
- bitcount++;
- }
- s.totalram >>= bitcount;
- s.freeram >>= bitcount;
- s.sharedram >>= bitcount;
- s.bufferram >>= bitcount;
- s.totalswap >>= bitcount;
- s.freeswap >>= bitcount;
- s.totalhigh >>= bitcount;
- s.freehigh >>= bitcount;
- }
-
- if (!access_ok(VERIFY_WRITE, info, sizeof(struct sysinfo32)) ||
- __put_user (s.uptime, &info->uptime) ||
- __put_user (s.loads[0], &info->loads[0]) ||
- __put_user (s.loads[1], &info->loads[1]) ||
- __put_user (s.loads[2], &info->loads[2]) ||
- __put_user (s.totalram, &info->totalram) ||
- __put_user (s.freeram, &info->freeram) ||
- __put_user (s.sharedram, &info->sharedram) ||
- __put_user (s.bufferram, &info->bufferram) ||
- __put_user (s.totalswap, &info->totalswap) ||
- __put_user (s.freeswap, &info->freeswap) ||
- __put_user (s.procs, &info->procs) ||
- __put_user (s.totalhigh, &info->totalhigh) ||
- __put_user (s.freehigh, &info->freehigh) ||
- __put_user (s.mem_unit, &info->mem_unit))
- return -EFAULT;
- return 0;
-}
-
asmlinkage long
sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *interval)
{
diff --git a/arch/x86_64/kernel/mce_amd.c b/arch/x86_64/kernel/mce_amd.c
index fa09debad4b..93c70725763 100644
--- a/arch/x86_64/kernel/mce_amd.c
+++ b/arch/x86_64/kernel/mce_amd.c
@@ -401,7 +401,6 @@ static __cpuinit int allocate_threshold_blocks(unsigned int cpu,
b = kzalloc(sizeof(struct threshold_block), GFP_KERNEL);
if (!b)
return -ENOMEM;
- memset(b, 0, sizeof(struct threshold_block));
b->block = block;
b->bank = bank;
@@ -490,7 +489,6 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank)
err = -ENOMEM;
goto out;
}
- memset(b, 0, sizeof(struct threshold_bank));
kobject_set_name(&b->kobj, "threshold_bank%i", bank);
b->kobj.parent = &per_cpu(device_mce, cpu).kobj;
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S
index 1e54ddf2338..c360c422524 100644
--- a/arch/x86_64/kernel/vmlinux.lds.S
+++ b/arch/x86_64/kernel/vmlinux.lds.S
@@ -192,10 +192,14 @@ SECTIONS
from .altinstructions and .eh_frame */
.exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
+
+#ifdef CONFIG_BLK_DEV_INITRD
. = ALIGN(4096);
__initramfs_start = .;
.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
__initramfs_end = .;
+#endif
+
. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
__per_cpu_start = .;
.data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) }
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index a65fc6f1dca..49e8cf2e06f 100644
--- a/arch/x86_64/mm/fault.c
+++ b/arch/x86_64/mm/fault.c
@@ -69,27 +69,6 @@ static inline int notify_page_fault(enum die_val val, const char *str,
return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args);
}
-void bust_spinlocks(int yes)
-{
- int loglevel_save = console_loglevel;
- if (yes) {
- oops_in_progress = 1;
- } else {
-#ifdef CONFIG_VT
- unblank_screen();
-#endif
- oops_in_progress = 0;
- /*
- * OK, the message is on the console. Now we call printk()
- * without oops_in_progress set so that printk will give klogd
- * a poke. Hold onto your hats...
- */
- console_loglevel = 15; /* NMI oopser may have shut the console up */
- printk(" ");
- console_loglevel = loglevel_save;
- }
-}
-
/* Sometimes the CPU reports invalid exceptions on prefetch.
Check that here and ignore.
Opcode checker based on code by Richard Brunner */