mirros/rockchip-kernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mm: remove offlining arg to migrate_pages

Browse Source 
No functional change, but the only purpose of the offlining argument to
migrate_pages() etc, was to ensure that __unmap_and_move() could migrate a
KSM page for memory hotremove (which took ksm_thread_mutex) but not for
other callers.  Now all cases are safe, remove the arg.

Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Petr Holasek <pholasek@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Izik Eidus <izik.eidus@ravellosystems.com>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Hugh Dickins
2013-02-22 16:35:14 -08:00
committed by Linus Torvalds
parent b79bc0a0c7
commit 9c620e2bc5
7 changed files with 29 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
mm/memory-failure.c
View File

@@ -1465,7 +1465,7 @@ static int soft_offline_huge_page(struct page *page, int flags)
unlock_page(hpage);
/* Keep page count to indicate a given hugepage is isolated. */
ret = migrate_huge_page(hpage, new_page, MPOL_MF_MOVE_ALL, false,
ret = migrate_huge_page(hpage, new_page, MPOL_MF_MOVE_ALL,
MIGRATE_SYNC);
put_page(hpage);
if (ret) {
@@ -1597,11 +1597,10 @@ static int __soft_offline_page(struct page *page, int flags)
if (!ret) {
LIST_HEAD(pagelist);
inc_zone_page_state(page, NR_ISOLATED_ANON +
page_is_file_cache(page));
page_is_file_cache(page));
list_add(&page->lru, &pagelist);
ret = migrate_pages(&pagelist, new_page, MPOL_MF_MOVE_ALL,
false, MIGRATE_SYNC,
MR_MEMORY_FAILURE);
MIGRATE_SYNC, MR_MEMORY_FAILURE);
if (ret) {
putback_lru_pages(&pagelist);
pr_info("soft offline: %#lx: migration failed %d, type %lx\n",