Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1423410

[PATCHv9-rebased2 04/37] mm-thp-make-swapin-readahead-under-down_read-of-mmap_sem-fix-2-fix

From "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Newsgroups linux.kernel
Subject [PATCHv9-rebased2 04/37] mm-thp-make-swapin-readahead-under-down_read-of-mmap_sem-fix-2-fix
Date 2016-06-15 22:30 +0200
Message-ID <rKpBL-7cb-9@gated-at.bofh.it> (permalink)
References <rH3o5-5Yv-3@gated-at.bofh.it> <rKpip-74l-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


From: Andrew Morton <akpm@linux-foundation.org>

update comment to match new code

Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/huge_memory.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 1777b806de96..d7ccc8558187 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2502,9 +2502,9 @@ static void collapse_huge_page(struct mm_struct *mm,
 	}
 
 	/*
-	 * __collapse_huge_page_swapin always returns with mmap_sem
-	 * locked. If it fails, release mmap_sem and jump directly
-	 * label out. Continuing to collapse causes inconsistency.
+	 * __collapse_huge_page_swapin always returns with mmap_sem locked.
+	 * If it fails, release mmap_sem and jump directly out.
+	 * Continuing to collapse causes inconsistency.
 	 */
 	if (!__collapse_huge_page_swapin(mm, vma, address, pmd)) {
 		mem_cgroup_cancel_charge(new_page, memcg, true);
-- 
2.8.1

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

[PATCHv9-rebased2 00/37] THP-enabled tmpfs/shmem using compound pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 05/37] khugepaged: recheck pmd after mmap_sem re-acquired "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
    Re: [PATCHv9-rebased2 05/37] khugepaged: recheck pmd after mmap_sem  re-acquired Ebru Akagunduz <ebru.akagunduz@gmail.com> - 2016-06-16 13:50 +0200
      Re: [PATCHv9-rebased2 05/37] khugepaged: recheck pmd after mmap_sem  re-acquired "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-06-16 14:00 +0200
  [PATCHv9-rebased2 12/37] thp, vmstats: add counters for huge file pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 17/37] thp: prepare change_huge_pmd() for file thp "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 09/37] mm: postpone page table allocation until we have page to map "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 18/37] thp: run vma_adjust_trans_huge() outside i_mmap_rwsem "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 21/37] vmscan: split file huge pages before paging them out "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 13/37] thp: support file pages in zap_huge_pmd() "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 29/37] shmem: add huge pages support "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 06/37] thp, mlock: update unevictable-lru.txt "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 19/37] thp: file pages support for split_huge_page() "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 28/37] shmem: get_unmapped_area align huge page "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 07/37] mm: do not pass mm_struct into handle_mm_fault "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 34/37] khugepaged: add support of collapse for tmpfs/shmem pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 14/37] thp: handle file pages in split_huge_pmd() "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 11/37] mm: introduce do_set_pmd() "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 26/37] mm, rmap: account shmem thp pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 25/37] truncate: handle file thp "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 24/37] filemap: prepare find and delete operations for huge pages "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 22/37] page-flags: relax policy for PG_mappedtodisk and PG_reclaim "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 27/37] shmem: prepare huge= mount option and sysfs knob "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 10/37] rmap: support file thp "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:20 +0200
  [PATCHv9-rebased2 04/37]  mm-thp-make-swapin-readahead-under-down_read-of-mmap_sem-fix-2-fix "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-06-15 22:30 +0200

csiph-web