mm: codgin-style fixes

Fix whitespace issues, extraneous braces.

Link: http://lkml.kernel.org/r/1485992240-10986-5-git-send-email-me@tobin.cc
Signed-off-by: Tobin C Harding <me@tobin.cc>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/memory.c b/mm/memory.c
index 747a2cd..bfad9fe 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -30,7 +30,7 @@
 
 /*
  * 05.04.94  -  Multi-page memory management added for v1.1.
- *             Idea by Alex Bligh (alex@cconcepts.co.uk)
+ *              Idea by Alex Bligh (alex@cconcepts.co.uk)
  *
  * 16.07.99  -  Support of BIGMEM added by Gerhard Wichert, Siemens AG
  *             (Gerhard.Wichert@pdb.siemens.de)
@@ -82,9 +82,9 @@
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 /* use the per-pgdat data instead for discontigmem - mbligh */
 unsigned long max_mapnr;
-struct page *mem_map;
-
 EXPORT_SYMBOL(max_mapnr);
+
+struct page *mem_map;
 EXPORT_SYMBOL(mem_map);
 #endif
 
@@ -95,8 +95,7 @@ EXPORT_SYMBOL(mem_map);
  * highstart_pfn must be the same; there must be no gap between ZONE_NORMAL
  * and ZONE_HIGHMEM.
  */
-void * high_memory;
-
+void *high_memory;
 EXPORT_SYMBOL(high_memory);
 
 /*
@@ -120,10 +119,10 @@ static int __init disable_randmaps(char *s)
 __setup("norandmaps", disable_randmaps);
 
 unsigned long zero_pfn __read_mostly;
-unsigned long highest_memmap_pfn __read_mostly;
-
 EXPORT_SYMBOL(zero_pfn);
 
+unsigned long highest_memmap_pfn __read_mostly;
+
 /*
  * CONFIG_MMU architectures set up ZERO_PAGE in their paging_init()
  */
@@ -556,7 +555,7 @@ void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma,
 
                if (is_vm_hugetlb_page(vma)) {
                        hugetlb_free_pgd_range(tlb, addr, vma->vm_end,
-                               floor, next? next->vm_start: ceiling);
+                               floor, next ? next->vm_start : ceiling);
                } else {
                        /*
                         * Optimization: gather nearby vmas into one call down
@@ -569,7 +568,7 @@ void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma,
                                unlink_file_vma(vma);
                        }
                        free_pgd_range(tlb, addr, vma->vm_end,
-                               floor, next? next->vm_start: ceiling);
+                               floor, next ? next->vm_start : ceiling);
                }
                vma = next;
        }
@@ -1141,9 +1140,8 @@ again:
        arch_enter_lazy_mmu_mode();
        do {
                pte_t ptent = *pte;
-               if (pte_none(ptent)) {
+               if (pte_none(ptent))
                        continue;
-               }
 
                if (pte_present(ptent)) {
                        struct page *page;
@@ -1463,10 +1461,10 @@ EXPORT_SYMBOL_GPL(zap_vma_ptes);
 pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,
                        spinlock_t **ptl)
 {
-       pgd_t * pgd = pgd_offset(mm, addr);
-       pud_t * pud = pud_alloc(mm, pgd, addr);
+       pgd_t *pgd = pgd_offset(mm, addr);
+       pud_t *pud = pud_alloc(mm, pgd, addr);
        if (pud) {
-               pmd_t * pmd = pmd_alloc(mm, pud, addr);
+               pmd_t *pmd = pmd_alloc(mm, pud, addr);
                if (pmd) {
                        VM_BUG_ON(pmd_trans_huge(*pmd));
                        return pte_alloc_map_lock(mm, pmd, addr, ptl);
@@ -2525,7 +2523,7 @@ void unmap_mapping_range(struct address_space *mapping,
                        hlen = ULONG_MAX - hba + 1;
        }
 
-       details.check_mapping = even_cows? NULL: mapping;
+       details.check_mapping = even_cows ? NULL : mapping;
        details.first_index = hba;
        details.last_index = hba + hlen - 1;
        if (details.last_index < details.first_index)
@@ -3407,14 +3405,14 @@ static int do_numa_page(struct vm_fault *vmf)
        int flags = 0;
 
        /*
-       * The "pte" at this point cannot be used safely without
-       * validation through pte_unmap_same(). It's of NUMA type but
-       * the pfn may be screwed if the read is non atomic.
-       *
-       * We can safely just do a "set_pte_at()", because the old
-       * page table entry is not accessible, so there would be no
-       * concurrent hardware modifications to the PTE.
-       */
+        * The "pte" at this point cannot be used safely without
+        * validation through pte_unmap_same(). It's of NUMA type but
+        * the pfn may be screwed if the read is non atomic.
+        *
+        * We can safely just do a "set_pte_at()", because the old
+        * page table entry is not accessible, so there would be no
+        * concurrent hardware modifications to the PTE.
+        */
        vmf->ptl = pte_lockptr(vma->vm_mm, vmf->pmd);
        spin_lock(vmf->ptl);
        if (unlikely(!pte_same(*vmf->pte, pte))) {
@@ -3750,14 +3748,14 @@ int handle_mm_fault(struct vm_area_struct *vma, unsigned long address,
 
        if (flags & FAULT_FLAG_USER) {
                mem_cgroup_oom_disable();
-                /*
-                 * The task may have entered a memcg OOM situation but
-                 * if the allocation error was handled gracefully (no
-                 * VM_FAULT_OOM), there is no need to kill anything.
-                 * Just clean up the OOM state peacefully.
-                 */
-                if (task_in_memcg_oom(current) && !(ret & VM_FAULT_OOM))
-                        mem_cgroup_oom_synchronize(false);
+               /*
+                * The task may have entered a memcg OOM situation but
+                * if the allocation error was handled gracefully (no
+                * VM_FAULT_OOM), there is no need to kill anything.
+                * Just clean up the OOM state peacefully.
+                */
+               if (task_in_memcg_oom(current) && !(ret & VM_FAULT_OOM))
+                       mem_cgroup_oom_synchronize(false);
        }
 
        /*