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mm: codgin-style fixes

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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>
This commit is contained in:
Tobin C Harding 2017-02-24 14:59:01 -08:00 • committed by Linus Torvalds
parent 7f2b6ce8e3
commit 166f61b943
1 changed files with 29 additions and 31 deletions
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60
mm/memory.c
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@ -30,7 +30,7 @@
/* /*
* 05.04.94 - Multi-page memory management added for v1.1. * 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 * 16.07.99 - Support of BIGMEM added by Gerhard Wichert, Siemens AG
* (Gerhard.Wichert@pdb.siemens.de) * (Gerhard.Wichert@pdb.siemens.de)
@ -82,9 +82,9 @@
#ifndef CONFIG_NEED_MULTIPLE_NODES #ifndef CONFIG_NEED_MULTIPLE_NODES
/* use the per-pgdat data instead for discontigmem - mbligh */ /* use the per-pgdat data instead for discontigmem - mbligh */
unsigned long max_mapnr; unsigned long max_mapnr;
struct page *mem_map;
EXPORT_SYMBOL(max_mapnr); EXPORT_SYMBOL(max_mapnr);
struct page *mem_map;
EXPORT_SYMBOL(mem_map); EXPORT_SYMBOL(mem_map);
#endif #endif
@ -95,8 +95,7 @@ EXPORT_SYMBOL(mem_map);
* highstart_pfn must be the same; there must be no gap between ZONE_NORMAL * highstart_pfn must be the same; there must be no gap between ZONE_NORMAL
* and ZONE_HIGHMEM. * and ZONE_HIGHMEM.
*/ */
void * high_memory; void *high_memory;
EXPORT_SYMBOL(high_memory); EXPORT_SYMBOL(high_memory);
/* /*
@ -120,10 +119,10 @@ static int __init disable_randmaps(char *s)
__setup("norandmaps", disable_randmaps); __setup("norandmaps", disable_randmaps);
unsigned long zero_pfn __read_mostly; unsigned long zero_pfn __read_mostly;
unsigned long highest_memmap_pfn __read_mostly;
EXPORT_SYMBOL(zero_pfn); EXPORT_SYMBOL(zero_pfn);
unsigned long highest_memmap_pfn __read_mostly;
/* /*
* CONFIG_MMU architectures set up ZERO_PAGE in their paging_init() * 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)) { if (is_vm_hugetlb_page(vma)) {
hugetlb_free_pgd_range(tlb, addr, vma->vm_end, hugetlb_free_pgd_range(tlb, addr, vma->vm_end,
floor, next? next->vm_start: ceiling); floor, next ? next->vm_start : ceiling);
} else { } else {
/* /*
* Optimization: gather nearby vmas into one call down * 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); unlink_file_vma(vma);
} }
free_pgd_range(tlb, addr, vma->vm_end, free_pgd_range(tlb, addr, vma->vm_end,
floor, next? next->vm_start: ceiling); floor, next ? next->vm_start : ceiling);
} }
vma = next; vma = next;
} }
@ -1141,9 +1140,8 @@ again:
arch_enter_lazy_mmu_mode(); arch_enter_lazy_mmu_mode();
do { do {
pte_t ptent = *pte; pte_t ptent = *pte;
if (pte_none(ptent)) { if (pte_none(ptent))
continue; continue;
}
if (pte_present(ptent)) { if (pte_present(ptent)) {
struct page *page; 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, pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr,
spinlock_t **ptl) spinlock_t **ptl)
{ {
pgd_t * pgd = pgd_offset(mm, addr); pgd_t *pgd = pgd_offset(mm, addr);
pud_t * pud = pud_alloc(mm, pgd, addr); pud_t *pud = pud_alloc(mm, pgd, addr);
if (pud) { if (pud) {
pmd_t * pmd = pmd_alloc(mm, pud, addr); pmd_t *pmd = pmd_alloc(mm, pud, addr);
if (pmd) { if (pmd) {
VM_BUG_ON(pmd_trans_huge(*pmd)); VM_BUG_ON(pmd_trans_huge(*pmd));
return pte_alloc_map_lock(mm, pmd, addr, ptl); 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; hlen = ULONG_MAX - hba + 1;
} }
details.check_mapping = even_cows? NULL: mapping; details.check_mapping = even_cows ? NULL : mapping;
details.first_index = hba; details.first_index = hba;
details.last_index = hba + hlen - 1; details.last_index = hba + hlen - 1;
if (details.last_index < details.first_index) if (details.last_index < details.first_index)
@ -3407,14 +3405,14 @@ static int do_numa_page(struct vm_fault *vmf)
int flags = 0; int flags = 0;
/* /*
* The "pte" at this point cannot be used safely without * The "pte" at this point cannot be used safely without
* validation through pte_unmap_same(). It's of NUMA type but * validation through pte_unmap_same(). It's of NUMA type but
* the pfn may be screwed if the read is non atomic. * the pfn may be screwed if the read is non atomic.
* *
* We can safely just do a "set_pte_at()", because the old * We can safely just do a "set_pte_at()", because the old
* page table entry is not accessible, so there would be no * page table entry is not accessible, so there would be no
* concurrent hardware modifications to the PTE. * concurrent hardware modifications to the PTE.
*/ */
vmf->ptl = pte_lockptr(vma->vm_mm, vmf->pmd); vmf->ptl = pte_lockptr(vma->vm_mm, vmf->pmd);
spin_lock(vmf->ptl); spin_lock(vmf->ptl);
if (unlikely(!pte_same(*vmf->pte, pte))) { 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) { if (flags & FAULT_FLAG_USER) {
mem_cgroup_oom_disable(); mem_cgroup_oom_disable();
/* /*
* The task may have entered a memcg OOM situation but * The task may have entered a memcg OOM situation but
* if the allocation error was handled gracefully (no * if the allocation error was handled gracefully (no
* VM_FAULT_OOM), there is no need to kill anything. * VM_FAULT_OOM), there is no need to kill anything.
* Just clean up the OOM state peacefully. * Just clean up the OOM state peacefully.
*/ */
if (task_in_memcg_oom(current) && !(ret & VM_FAULT_OOM)) if (task_in_memcg_oom(current) && !(ret & VM_FAULT_OOM))
mem_cgroup_oom_synchronize(false); mem_cgroup_oom_synchronize(false);
} }
/* /*