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Merge branch 'akpm' (incoming from Andrew)

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Merge misc updates from Andrew Morton:

 - a few hotfixes

 - dynamic-debug updates

 - ipc updates

 - various other sweepings off the factory floor

* akpm: (31 commits)
  firmware/google: drop 'select EFI' to avoid recursive dependency
  compat: fix sys_fanotify_mark
  checkpatch.pl: check for function declarations without arguments
  mm/migrate.c: fix setting of cpupid on page migration twice against normal page
  softirq: use const char * const for softirq_to_name, whitespace neatening
  softirq: convert printks to pr_<level>
  softirq: use ffs() in __do_softirq()
  kernel/kexec.c: use vscnprintf() instead of vsnprintf() in vmcoreinfo_append_str()
  splice: fix unexpected size truncation
  ipc: fix compat msgrcv with negative msgtyp
  ipc,msg: document barriers
  ipc: delete seq_max field in struct ipc_ids
  ipc: simplify sysvipc_proc_open() return
  ipc: remove useless return statement
  ipc: remove braces for single statements
  ipc: standardize code comments
  ipc: whitespace cleanup
  ipc: change kern_ipc_perm.deleted type to bool
  ipc: introduce ipc_valid_object() helper to sort out IPC_RMID races
  ipc/sem.c: avoid overflow of semop undo (semadj) value
  ...
This commit is contained in:
Linus Torvalds 2014-01-27 21:17:55 -08:00
commit 54c0a4b461
33 changed files with 448 additions and 416 deletions
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6
mm/memblock.c
View file

@ -984,9 +984,6 @@ static phys_addr_t __init memblock_alloc_base_nid(phys_addr_t size,
if (!align)
align = SMP_CACHE_BYTES;
/* align @size to avoid excessive fragmentation on reserved array */
size = round_up(size, align);
found = memblock_find_in_range_node(size, align, 0, max_addr, nid);
if (found && !memblock_reserve(found, size))
return found;
@ -1080,9 +1077,6 @@ static void * __init memblock_virt_alloc_internal(
if (!align)
align = SMP_CACHE_BYTES;
/* align @size to avoid excessive fragmentation on reserved array */
size = round_up(size, align);
again:
alloc = memblock_find_in_range_node(size, align, min_addr, max_addr,
nid);

2
mm/migrate.c
View file

@ -1548,8 +1548,6 @@ static struct page *alloc_misplaced_dst_page(struct page *page,
__GFP_NOMEMALLOC | __GFP_NORETRY |
__GFP_NOWARN) &
~GFP_IOFS, 0);
if (newpage)
page_cpupid_xchg_last(newpage, page_cpupid_last(page));
return newpage;
}

2
mm/mm_init.c
View file

@ -202,4 +202,4 @@ static int __init mm_sysfs_init(void)
return 0;
}
pure_initcall(mm_sysfs_init);
postcore_initcall(mm_sysfs_init);

28
mm/vmalloc.c
View file

@ -220,12 +220,12 @@ int is_vmalloc_or_module_addr(const void *x)
}
/*
* Walk a vmap address to the physical pfn it maps to.
* Walk a vmap address to the struct page it maps.
*/
unsigned long vmalloc_to_pfn(const void *vmalloc_addr)
struct page *vmalloc_to_page(const void *vmalloc_addr)
{
unsigned long addr = (unsigned long) vmalloc_addr;
unsigned long pfn = 0;
struct page *page = NULL;
pgd_t *pgd = pgd_offset_k(addr);
/*
@ -244,24 +244,24 @@ unsigned long vmalloc_to_pfn(const void *vmalloc_addr)
ptep = pte_offset_map(pmd, addr);
pte = *ptep;
if (pte_present(pte))
pfn = pte_pfn(pte);
page = pte_page(pte);
pte_unmap(ptep);
}
}
}
return pfn;
}
EXPORT_SYMBOL(vmalloc_to_pfn);
/*
* Map a vmalloc()-space virtual address to the struct page.
*/
struct page *vmalloc_to_page(const void *vmalloc_addr)
{
return pfn_to_page(vmalloc_to_pfn(vmalloc_addr));
return page;
}
EXPORT_SYMBOL(vmalloc_to_page);
/*
* Map a vmalloc()-space virtual address to the physical page frame number.
*/
unsigned long vmalloc_to_pfn(const void *vmalloc_addr)
{
return page_to_pfn(vmalloc_to_page(vmalloc_addr));
}
EXPORT_SYMBOL(vmalloc_to_pfn);
/*** Global kva allocator ***/