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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2010-10-25 16:10:14 +0200
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-10-25 16:10:15 +0200
commite2b8d7af0e3a9234de06606f9151f28cf847a8d6 (patch)
tree64bc03271383a43c2097b84b6f0e25c34ed13553 /mm/rmap.c
parent92f842eac7ee321c8a0749aba2513541b4ac226f (diff)
[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 'mm/rmap.c')
-rw-r--r--mm/rmap.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/rmap.c b/mm/rmap.c
index 92e6757f196e..5f17fad1bee8 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -745,7 +745,7 @@ int page_mkclean(struct page *page)
if (mapping) {
ret = page_mkclean_file(mapping, page);
if (page_test_dirty(page)) {
- page_clear_dirty(page);
+ page_clear_dirty(page, 1);
ret = 1;
}
}
@@ -942,7 +942,7 @@ void page_remove_rmap(struct page *page)
* containing the swap entry, but page not yet written to swap.
*/
if ((!PageAnon(page) || PageSwapCache(page)) && page_test_dirty(page)) {
- page_clear_dirty(page);
+ page_clear_dirty(page, 1);
set_page_dirty(page);
}
/*

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