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authorMichal Hocko <mhocko@suse.com>2018-04-10 16:30:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-11 10:28:32 -0700
commit666feb21a0083e5b29ddd96588553ffa0cc357b6 (patch)
tree2b470bb99e3fdf84b1df32ffe726adb0119084e5 /mm/compaction.c
parenta49bd4d7163707de377aee062f17befef6da891b (diff)
downloadop-kernel-dev-666feb21a0083e5b29ddd96588553ffa0cc357b6.zip
op-kernel-dev-666feb21a0083e5b29ddd96588553ffa0cc357b6.tar.gz
mm, migrate: remove reason argument from new_page_t
No allocation callback is using this argument anymore. new_page_node used to use this parameter to convey node_id resp. migration error up to move_pages code (do_move_page_to_node_array). The error status never made it into the final status field and we have a better way to communicate node id to the status field now. All other allocation callbacks simply ignored the argument so we can drop it finally. [mhocko@suse.com: fix migration callback] Link: http://lkml.kernel.org/r/20180105085259.GH2801@dhcp22.suse.cz [akpm@linux-foundation.org: fix alloc_misplaced_dst_page()] [mhocko@kernel.org: fix build] Link: http://lkml.kernel.org/r/20180103091134.GB11319@dhcp22.suse.cz Link: http://lkml.kernel.org/r/20180103082555.14592-3-mhocko@kernel.org Signed-off-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Zi Yan <zi.yan@cs.rutgers.edu> Cc: Andrea Reale <ar@linux.vnet.ibm.com> Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/compaction.c')
-rw-r--r--mm/compaction.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index 88d01a5..29bd1df 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1166,8 +1166,7 @@ static void isolate_freepages(struct compact_control *cc)
* from the isolated freelists in the block we are migrating to.
*/
static struct page *compaction_alloc(struct page *migratepage,
- unsigned long data,
- int **result)
+ unsigned long data)
{
struct compact_control *cc = (struct compact_control *)data;
struct page *freepage;
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