summaryrefslogtreecommitdiff
path: root/mm/khugepaged.c
diff options
context:
space:
mode:
authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-05-02 03:42:23 +0300
committerMatthew Wilcox (Oracle) <willy@infradead.org>2021-09-27 16:27:31 +0300
commitbbc6b703b21963e909f633cf7718903ed5094319 (patch)
tree076d76592401f7c5343053c9eaf7ed51e5a8251c /mm/khugepaged.c
parentc4ed6ebfcb0929d204ab7548496c0d28bd408b36 (diff)
downloadlinux-bbc6b703b21963e909f633cf7718903ed5094319.tar.xz
mm/memcg: Convert mem_cgroup_uncharge() to take a folio
Convert all the callers to call page_folio(). Most of them were already using a head page, but a few of them I can't prove were, so this may actually fix a bug. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Reviewed-by: David Howells <dhowells@redhat.com> Acked-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'mm/khugepaged.c')
-rw-r--r--mm/khugepaged.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 8480a3b05bcc..6d56e7abd2b8 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1211,7 +1211,7 @@ out_up_write:
mmap_write_unlock(mm);
out_nolock:
if (!IS_ERR_OR_NULL(*hpage))
- mem_cgroup_uncharge(*hpage);
+ mem_cgroup_uncharge(page_folio(*hpage));
trace_mm_collapse_huge_page(mm, isolated, result);
return;
}
@@ -1975,7 +1975,7 @@ xa_unlocked:
out:
VM_BUG_ON(!list_empty(&pagelist));
if (!IS_ERR_OR_NULL(*hpage))
- mem_cgroup_uncharge(*hpage);
+ mem_cgroup_uncharge(page_folio(*hpage));
/* TODO: tracepoints */
}