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| author |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2010-10-25 16:10:14 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-10-25 16:10:15 +0200 |
| commit | e2b8d7af0e3a9234de06606f9151f28cf847a8d6 (patch) | |
| tree | 64bc03271383a43c2097b84b6f0e25c34ed13553 /include | |
| parent | [S390] store indication fault optimization (diff) | |
| download | linux-dev-e2b8d7af0e3a9234de06606f9151f28cf847a8d6.tar.xz linux-dev-e2b8d7af0e3a9234de06606f9151f28cf847a8d6.zip | |
[S390] add support for nonquiescing sske
Improve performance of the sske operation by using the nonquiescing
variant if the affected page has no mappings established. On machines
with no support for the new sske variant the mask bit will be ignored.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/pgtable.h | 2 | ||||
| -rw-r--r-- | include/linux/page-flags.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index f4d4120e5128..6f3c6ae4fe03 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -108,7 +108,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres #endif #ifndef __HAVE_ARCH_PAGE_CLEAR_DIRTY -#define page_clear_dirty(page) do { } while (0) +#define page_clear_dirty(page, mapped) do { } while (0) #endif #ifndef __HAVE_ARCH_PAGE_TEST_DIRTY diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 6fa317801e1c..5f38c460367e 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -310,7 +310,7 @@ static inline void SetPageUptodate(struct page *page) { #ifdef CONFIG_S390 if (!test_and_set_bit(PG_uptodate, &page->flags)) - page_clear_dirty(page); + page_clear_dirty(page, 0); #else /* * Memory barrier must be issued before setting the PG_uptodate bit, |