The patch titled
Subject: mm-memcg-fix-error-return-value-of-mem_cgroup_css_alloc-fix
has been added to the -mm tree. Its filename is
mm-memcg-fix-error-return-value-of-mem_cgroup_css_alloc-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-memcg-fix-error-return-value-of-mem_cgroup_css_alloc-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-memcg-fix-error-return-value-of-mem_cgroup_css_alloc-fix.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-memcg-fix-error-return-value-of-mem_cgroup_css_alloc-fix
s/EBUSY/ENOSPC/, per Michal
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Cc: Yafang Shao <laoar.shao@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 6 ------
1 file changed, 6 deletions(-)
--- a/mm/memcontrol.c~mm-memcg-fix-error-return-value-of-mem_cgroup_css_alloc-fix
+++ a/mm/memcontrol.c
@@ -2721,8 +2721,6 @@ static int memcg_alloc_cache_id(void)
id = ida_simple_get(&memcg_cache_ida,
0, MEMCG_CACHES_MAX_SIZE, GFP_KERNEL);
- if (id == -ENOSPC)
- return -EBUSY;
if (id < 0)
return id;
@@ -5004,10 +5002,6 @@ static struct mem_cgroup *mem_cgroup_all
memcg->id.id = idr_alloc(&mem_cgroup_idr, NULL,
1, MEM_CGROUP_ID_MAX,
GFP_KERNEL);
- if (memcg->id.id == -ENOSPC) {
- error = -EBUSY;
- goto fail;
- }
if (memcg->id.id < 0) {
error = memcg->id.id;
goto fail;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
maintainers-add-an-entry-for-kfifo-fix.patch
maintainers-add-an-entry-for-kfifo-fix-fix.patch
mm-ksm-fix-null-pointer-dereference-when-ksm-zero-page-is-enabled-v4-fix.patch
squashfs-migrate-from-ll_rw_block-usage-to-bio-fix.patch
drivers-tty-serial-sh-scic-suppress-uninitialized-var-warning.patch
mm.patch
mm-slub-fix-corrupted-freechain-in-deactivate_slab-fix.patch
memcg-optimize-memorynuma_stat-like-memorystat-fix.patch
mm-remove-__vmalloc_node_flags_caller-fix.patch
mm-switch-the-test_vmalloc-module-to-use-__vmalloc_node-fix.patch
mm-remove-vmalloc_user_node_flags-fix.patch
mm-replace-zero-length-array-with-flexible-array-member-fix.patch
mm-hugetlb-fix-a-typo-in-comment-manitained-maintained-v2-checkpatch-fixes.patch
linux-next-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
mm-memcg-fix-error-return-value-of-mem_cgroup_css_alloc-fix.patch
