diff options
| author |   Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2013-11-14 14:30:45 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 09:32:14 +0900 |
| commit | 57c1ffcefb5acb3c8b5f8436c325a6bdbd8e9c78 (patch) | |
| tree | 2dc4008ef48c72673dd4a645e4a4f8e5c3ebb2c6 /include/linux/mm.h | |
| parent | mm: avoid increase sizeof(struct page) due to split page table lock (diff) | |
| download | linux-dev-57c1ffcefb5acb3c8b5f8436c325a6bdbd8e9c78.tar.xz linux-dev-57c1ffcefb5acb3c8b5f8436c325a6bdbd8e9c78.zip | |
mm: rename USE_SPLIT_PTLOCKS to USE_SPLIT_PTE_PTLOCKS
We're going to introduce split page table lock for PMD level. Let's
rename existing split ptlock for PTE level to avoid confusion.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tested-by: Alex Thorlton <athorlton@sgi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: "Eric W . Biederman" <ebiederm@xmission.com>
Cc: "Paul E . McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Dave Jones <davej@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Robin Holt <robinmholt@gmail.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 42a35d94b82c..dc3333d6c986 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1316,7 +1316,7 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long a } #endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */ -#if USE_SPLIT_PTLOCKS +#if USE_SPLIT_PTE_PTLOCKS /* * We tuck a spinlock to guard each pagetable page into its struct page, * at page->private, with BUILD_BUG_ON to make sure that this will not @@ -1329,14 +1329,14 @@ static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long a } while (0) #define pte_lock_deinit(page) ((page)->mapping = NULL) #define pte_lockptr(mm, pmd) ({(void)(mm); __pte_lockptr(pmd_page(*(pmd)));}) -#else /* !USE_SPLIT_PTLOCKS */ +#else /* !USE_SPLIT_PTE_PTLOCKS */ /* * We use mm->page_table_lock to guard all pagetable pages of the mm. */ #define pte_lock_init(page) do {} while (0) #define pte_lock_deinit(page) do {} while (0) #define pte_lockptr(mm, pmd) ({(void)(pmd); &(mm)->page_table_lock;}) -#endif /* USE_SPLIT_PTLOCKS */ +#endif /* USE_SPLIT_PTE_PTLOCKS */ static inline void pgtable_page_ctor(struct page *page) { |