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Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

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This commit is contained in:
David S. Miller
2009-09-04 02:22:21 -07:00
parent e7a088f935 37d0892c5a
commit a29889a536
386 changed files with 4767 additions and 2796 deletions
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7
arch/sparc/mm/fault_32.c
View File

@@ -319,9 +319,10 @@ no_context:
*/
out_of_memory:
up_read(&mm->mmap_sem);
printk("VM: killing process %s\n", tsk->comm);
if (from_user)
do_group_exit(SIGKILL);
if (from_user) {
pagefault_out_of_memory();
return;
}
goto no_context;
do_sigbus:

7
arch/sparc/mm/fault_64.c
View File

@@ -447,9 +447,10 @@ handle_kernel_fault:
out_of_memory:
insn = get_fault_insn(regs, insn);
up_read(&mm->mmap_sem);
printk("VM: killing process %s\n", current->comm);
if (!(regs->tstate & TSTATE_PRIV))
do_group_exit(SIGKILL);
if (!(regs->tstate & TSTATE_PRIV)) {
pagefault_out_of_memory();
return;
}
goto handle_kernel_fault;
intr_or_no_mm:

43
arch/sparc/mm/init_64.c
View File

@@ -145,7 +145,8 @@ static void __init read_obp_memory(const char *property,
cmp_p64, NULL);
}
unsigned long *sparc64_valid_addr_bitmap __read_mostly;
unsigned long sparc64_valid_addr_bitmap[VALID_ADDR_BITMAP_BYTES /
sizeof(unsigned long)];
EXPORT_SYMBOL(sparc64_valid_addr_bitmap);
/* Kernel physical address base and size in bytes. */
@@ -1874,7 +1875,7 @@ static int pavail_rescan_ents __initdata;
* memory list again, and make sure it provides at least as much
* memory as 'pavail' does.
*/
static void __init setup_valid_addr_bitmap_from_pavail(void)
static void __init setup_valid_addr_bitmap_from_pavail(unsigned long *bitmap)
{
int i;
@@ -1897,8 +1898,7 @@ static void __init setup_valid_addr_bitmap_from_pavail(void)
if (new_start <= old_start &&
new_end >= (old_start + PAGE_SIZE)) {
set_bit(old_start >> 22,
sparc64_valid_addr_bitmap);
set_bit(old_start >> 22, bitmap);
goto do_next_page;
}
}
@@ -1919,20 +1919,21 @@ static void __init setup_valid_addr_bitmap_from_pavail(void)
}
}
static void __init patch_tlb_miss_handler_bitmap(void)
{
extern unsigned int valid_addr_bitmap_insn[];
extern unsigned int valid_addr_bitmap_patch[];
valid_addr_bitmap_insn[1] = valid_addr_bitmap_patch[1];
mb();
valid_addr_bitmap_insn[0] = valid_addr_bitmap_patch[0];
flushi(&valid_addr_bitmap_insn[0]);
}
void __init mem_init(void)
{
unsigned long codepages, datapages, initpages;
unsigned long addr, last;
int i;
i = last_valid_pfn >> ((22 - PAGE_SHIFT) + 6);
i += 1;
sparc64_valid_addr_bitmap = (unsigned long *) alloc_bootmem(i << 3);
if (sparc64_valid_addr_bitmap == NULL) {
prom_printf("mem_init: Cannot alloc valid_addr_bitmap.\n");
prom_halt();
}
memset(sparc64_valid_addr_bitmap, 0, i << 3);
addr = PAGE_OFFSET + kern_base;
last = PAGE_ALIGN(kern_size) + addr;
@@ -1941,15 +1942,19 @@ void __init mem_init(void)
addr += PAGE_SIZE;
}
setup_valid_addr_bitmap_from_pavail();
setup_valid_addr_bitmap_from_pavail(sparc64_valid_addr_bitmap);
patch_tlb_miss_handler_bitmap();
high_memory = __va(last_valid_pfn << PAGE_SHIFT);
#ifdef CONFIG_NEED_MULTIPLE_NODES
for_each_online_node(i) {
if (NODE_DATA(i)->node_spanned_pages != 0) {
totalram_pages +=
free_all_bootmem_node(NODE_DATA(i));
{
int i;
for_each_online_node(i) {
if (NODE_DATA(i)->node_spanned_pages != 0) {
totalram_pages +=
free_all_bootmem_node(NODE_DATA(i));
}
}
}
#else

7
arch/sparc/mm/init_64.h
View File

@@ -5,10 +5,13 @@
* marked non-static so that assembler code can get at them.
*/
#define MAX_PHYS_ADDRESS (1UL << 42UL)
#define KPTE_BITMAP_CHUNK_SZ (256UL * 1024UL * 1024UL)
#define MAX_PHYS_ADDRESS (1UL << 41UL)
#define KPTE_BITMAP_CHUNK_SZ (256UL * 1024UL * 1024UL)
#define KPTE_BITMAP_BYTES \
((MAX_PHYS_ADDRESS / KPTE_BITMAP_CHUNK_SZ) / 8)
#define VALID_ADDR_BITMAP_CHUNK_SZ (4UL * 1024UL * 1024UL)
#define VALID_ADDR_BITMAP_BYTES \
((MAX_PHYS_ADDRESS / VALID_ADDR_BITMAP_CHUNK_SZ) / 8)
extern unsigned long kern_linear_pte_xor[2];
extern unsigned long kpte_linear_bitmap[KPTE_BITMAP_BYTES / sizeof(unsigned long)];