diff options
author | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-03 11:28:58 +0800 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-03 11:28:58 +0800 |
commit | df2071bd081408318d659cd14a9cf6ff23d874c9 (patch) | |
tree | b31291b5fd4b9f84c629833afbfaa8d431857475 /arch/s390/mm | |
parent | 97e3d94aac1c3e95bd04d1b186479a4df3663ab8 (diff) | |
parent | be1066bbcd443a65df312fdecea7e4959adedb45 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/s390/mm')
-rw-r--r-- | arch/s390/mm/cmm.c | 3 | ||||
-rw-r--r-- | arch/s390/mm/init.c | 1 | ||||
-rw-r--r-- | arch/s390/mm/maccess.c | 26 | ||||
-rw-r--r-- | arch/s390/mm/page-states.c | 1 | ||||
-rw-r--r-- | arch/s390/mm/pgtable.c | 2 | ||||
-rw-r--r-- | arch/s390/mm/vmem.c | 12 |
6 files changed, 35 insertions, 10 deletions
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index 76a3637b88e..f87b34731e1 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -12,6 +12,7 @@ #include <linux/fs.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/gfp.h> #include <linux/sched.h> #include <linux/sysctl.h> #include <linux/ctype.h> @@ -374,7 +375,7 @@ static struct ctl_table cmm_dir_table[] = { #ifdef CONFIG_CMM_IUCV #define SMSG_PREFIX "CMM" static void -cmm_smsg_target(char *from, char *msg) +cmm_smsg_target(const char *from, char *msg) { long nr, seconds; diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index d5865e4024c..acc91c75bc9 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -26,6 +26,7 @@ #include <linux/pfn.h> #include <linux/poison.h> #include <linux/initrd.h> +#include <linux/gfp.h> #include <asm/processor.h> #include <asm/system.h> #include <asm/uaccess.h> diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c index 81756271dc4..a8c2af8c650 100644 --- a/arch/s390/mm/maccess.c +++ b/arch/s390/mm/maccess.c @@ -59,3 +59,29 @@ long probe_kernel_write(void *dst, void *src, size_t size) } return copied < 0 ? -EFAULT : 0; } + +int memcpy_real(void *dest, void *src, size_t count) +{ + register unsigned long _dest asm("2") = (unsigned long) dest; + register unsigned long _len1 asm("3") = (unsigned long) count; + register unsigned long _src asm("4") = (unsigned long) src; + register unsigned long _len2 asm("5") = (unsigned long) count; + unsigned long flags; + int rc = -EFAULT; + + if (!count) + return 0; + flags = __raw_local_irq_stnsm(0xf8UL); + asm volatile ( + "0: mvcle %1,%2,0x0\n" + "1: jo 0b\n" + " lhi %0,0x0\n" + "2:\n" + EX_TABLE(1b,2b) + : "+d" (rc), "+d" (_dest), "+d" (_src), "+d" (_len1), + "+d" (_len2), "=m" (*((long *) dest)) + : "m" (*((long *) src)) + : "cc", "memory"); + __raw_local_irq_ssm(flags); + return rc; +} diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c index 098923ae458..a90d45e9dfb 100644 --- a/arch/s390/mm/page-states.c +++ b/arch/s390/mm/page-states.c @@ -10,6 +10,7 @@ #include <linux/errno.h> #include <linux/types.h> #include <linux/mm.h> +#include <linux/gfp.h> #include <linux/init.h> #define ESSA_SET_STABLE 1 diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index ad621e06ada..8d999249d35 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -6,11 +6,11 @@ #include <linux/sched.h> #include <linux/kernel.h> #include <linux/errno.h> +#include <linux/gfp.h> #include <linux/mm.h> #include <linux/swap.h> #include <linux/smp.h> #include <linux/highmem.h> -#include <linux/slab.h> #include <linux/pagemap.h> #include <linux/spinlock.h> #include <linux/module.h> diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 300ab012b0f..90165e7ca04 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/list.h> #include <linux/hugetlb.h> +#include <linux/slab.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> #include <asm/setup.h> @@ -70,12 +71,8 @@ static pte_t __ref *vmem_pte_alloc(void) pte = alloc_bootmem(PTRS_PER_PTE * sizeof(pte_t)); if (!pte) return NULL; - if (MACHINE_HAS_HPAGE) - clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY | _PAGE_CO, - PTRS_PER_PTE * sizeof(pte_t)); - else - clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY, - PTRS_PER_PTE * sizeof(pte_t)); + clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY, + PTRS_PER_PTE * sizeof(pte_t)); return pte; } @@ -116,8 +113,7 @@ static int vmem_add_mem(unsigned long start, unsigned long size, int ro) if (MACHINE_HAS_HPAGE && !(address & ~HPAGE_MASK) && (address + HPAGE_SIZE <= start + size) && (address >= HPAGE_SIZE)) { - pte_val(pte) |= _SEGMENT_ENTRY_LARGE | - _SEGMENT_ENTRY_CO; + pte_val(pte) |= _SEGMENT_ENTRY_LARGE; pmd_val(*pm_dir) = pte_val(pte); address += HPAGE_SIZE - PAGE_SIZE; continue; |