Re: [PATCH v8 6/9] secretmem: add memcg accounting

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On Tue, 10 Nov 2020 17:14:41 +0200 Mike Rapoport <rppt@xxxxxxxxxx> wrote:

> Account memory consumed by secretmem to memcg. The accounting is updated
> when the memory is actually allocated and freed.

From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: secretmem-add-memcg-accounting-fix

fix CONFIG_MEMCG=n build

Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/filemap.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/filemap.c~secretmem-add-memcg-accounting-fix
+++ a/mm/filemap.c
@@ -844,7 +844,7 @@ static noinline int __add_to_page_cache_
 	page->mapping = mapping;
 	page->index = offset;
 
-	if (!huge && !page->memcg_data) {
+	if (!huge && !page_memcg(page)) {
 		error = mem_cgroup_charge(page, current->mm, gfp);
 		if (error)
 			goto error;
_





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