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-rw-r--r--arch/parisc/kernel/cache.c5
-rw-r--r--arch/parisc/kernel/sys_parisc.c16
-rw-r--r--arch/parisc/kernel/time.c2
3 files changed, 15 insertions, 8 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index e3b45546d589..a99da95fc9fd 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -88,7 +88,8 @@ update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
return;
page = pfn_to_page(pfn);
- if (page_mapping(page) && test_bit(PG_dcache_dirty, &page->flags)) {
+ if (page_mapping_file(page) &&
+ test_bit(PG_dcache_dirty, &page->flags)) {
flush_kernel_dcache_page_addr(pfn_va(pfn));
clear_bit(PG_dcache_dirty, &page->flags);
} else if (parisc_requires_coherency())
@@ -304,7 +305,7 @@ __flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr,
void flush_dcache_page(struct page *page)
{
- struct address_space *mapping = page_mapping(page);
+ struct address_space *mapping = page_mapping_file(page);
struct vm_area_struct *mpnt;
unsigned long offset;
unsigned long addr, old_addr = 0;
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 8c99ebbe2bac..43b308cfdf53 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -70,12 +70,18 @@ static inline unsigned long COLOR_ALIGN(unsigned long addr,
* Top of mmap area (just below the process stack).
*/
-static unsigned long mmap_upper_limit(void)
+/*
+ * When called from arch_get_unmapped_area(), rlim_stack will be NULL,
+ * indicating that "current" should be used instead of a passed-in
+ * value from the exec bprm as done with arch_pick_mmap_layout().
+ */
+static unsigned long mmap_upper_limit(struct rlimit *rlim_stack)
{
unsigned long stack_base;
/* Limit stack size - see setup_arg_pages() in fs/exec.c */
- stack_base = rlimit_max(RLIMIT_STACK);
+ stack_base = rlim_stack ? rlim_stack->rlim_max
+ : rlimit_max(RLIMIT_STACK);
if (stack_base > STACK_SIZE_MAX)
stack_base = STACK_SIZE_MAX;
@@ -127,7 +133,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
info.flags = 0;
info.length = len;
info.low_limit = mm->mmap_legacy_base;
- info.high_limit = mmap_upper_limit();
+ info.high_limit = mmap_upper_limit(NULL);
info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0;
info.align_offset = shared_align_offset(last_mmap, pgoff);
addr = vm_unmapped_area(&info);
@@ -250,10 +256,10 @@ static unsigned long mmap_legacy_base(void)
* This function, called very early during the creation of a new
* process VM image, sets up which VM layout function to use:
*/
-void arch_pick_mmap_layout(struct mm_struct *mm)
+void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack)
{
mm->mmap_legacy_base = mmap_legacy_base();
- mm->mmap_base = mmap_upper_limit();
+ mm->mmap_base = mmap_upper_limit(rlim_stack);
if (mmap_is_legacy()) {
mm->mmap_base = mm->mmap_legacy_base;
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index f7e684560186..c3830400ca28 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -174,7 +174,7 @@ static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm)
/* we treat tod_sec as unsigned, so this can work until year 2106 */
rtc_time64_to_tm(tod_data.tod_sec, tm);
- return rtc_valid_tm(tm);
+ return 0;
}
static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm)
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