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authorMiaohe Lin <linmiaohe@huawei.com>2022-06-25 17:28:12 +0800
committerakpm <akpm@linux-foundation.org>2022-07-03 18:08:51 -0700
commit36ee2c784af0dcfa9bb442f7fa68c842d48371fc (patch)
tree2a0ca83c7e7cb9231e57264aeceb7bab57539d6b /mm/khugepaged.c
parentmm/khugepaged: stop swapping in page when VM_FAULT_RETRY occurs (diff)
downloadlinux-dev-36ee2c784af0dcfa9bb442f7fa68c842d48371fc.tar.xz
linux-dev-36ee2c784af0dcfa9bb442f7fa68c842d48371fc.zip
mm/khugepaged: trivial typo and codestyle cleanup
Fix some typos and tweak the code to meet codestyle. No functional change intended. Link: https://lkml.kernel.org/r/20220625092816.4856-4-linmiaohe@huawei.com Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Reviewed-by: Zach O'Keefe <zokeefe@google.com> Reviewed-by: Yang Shi <shy828301@gmail.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: David Hildenbrand <david@redhat.com> Cc: David Howells <dhowells@redhat.com> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: NeilBrown <neilb@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/khugepaged.c')
-rw-r--r--mm/khugepaged.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 16e98395f362..e237c5ec59bb 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -260,7 +260,7 @@ static ssize_t khugepaged_max_ptes_none_store(struct kobject *kobj,
unsigned long max_ptes_none;
err = kstrtoul(buf, 10, &max_ptes_none);
- if (err || max_ptes_none > HPAGE_PMD_NR-1)
+ if (err || max_ptes_none > HPAGE_PMD_NR - 1)
return -EINVAL;
khugepaged_max_ptes_none = max_ptes_none;
@@ -286,7 +286,7 @@ static ssize_t khugepaged_max_ptes_swap_store(struct kobject *kobj,
unsigned long max_ptes_swap;
err = kstrtoul(buf, 10, &max_ptes_swap);
- if (err || max_ptes_swap > HPAGE_PMD_NR-1)
+ if (err || max_ptes_swap > HPAGE_PMD_NR - 1)
return -EINVAL;
khugepaged_max_ptes_swap = max_ptes_swap;
@@ -313,7 +313,7 @@ static ssize_t khugepaged_max_ptes_shared_store(struct kobject *kobj,
unsigned long max_ptes_shared;
err = kstrtoul(buf, 10, &max_ptes_shared);
- if (err || max_ptes_shared > HPAGE_PMD_NR-1)
+ if (err || max_ptes_shared > HPAGE_PMD_NR - 1)
return -EINVAL;
khugepaged_max_ptes_shared = max_ptes_shared;
@@ -599,7 +599,7 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma,
int none_or_zero = 0, shared = 0, result = 0, referenced = 0;
bool writable = false;
- for (_pte = pte; _pte < pte+HPAGE_PMD_NR;
+ for (_pte = pte; _pte < pte + HPAGE_PMD_NR;
_pte++, address += PAGE_SIZE) {
pte_t pteval = *_pte;
if (pte_none(pteval) || (pte_present(pteval) &&
@@ -1215,7 +1215,7 @@ static int khugepaged_scan_pmd(struct mm_struct *mm,
memset(khugepaged_node_load, 0, sizeof(khugepaged_node_load));
pte = pte_offset_map_lock(mm, pmd, address, &ptl);
- for (_address = address, _pte = pte; _pte < pte+HPAGE_PMD_NR;
+ for (_address = address, _pte = pte; _pte < pte + HPAGE_PMD_NR;
_pte++, _address += PAGE_SIZE) {
pte_t pteval = *_pte;
if (is_swap_pte(pteval)) {
@@ -1305,7 +1305,7 @@ static int khugepaged_scan_pmd(struct mm_struct *mm,
/*
* Check if the page has any GUP (or other external) pins.
*
- * Here the check is racy it may see totmal_mapcount > refcount
+ * Here the check is racy it may see total_mapcount > refcount
* in some cases.
* For example, one process with one forked child process.
* The parent has the PMD split due to MADV_DONTNEED, then
@@ -1553,7 +1553,7 @@ static void retract_page_tables(struct address_space *mapping, pgoff_t pgoff)
* mmap_write_lock(mm) as PMD-mapping is likely to be split
* later.
*
- * Not that vma->anon_vma check is racy: it can be set up after
+ * Note that vma->anon_vma check is racy: it can be set up after
* the check but before we took mmap_lock by the fault path.
* But page lock would prevent establishing any new ptes of the
* page, so we are safe.