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authorGregory Price <gourry@gourry.net>2026-02-11 16:54:47 -0500
committerAndrew Morton <akpm@linux-foundation.org>2026-04-05 13:53:01 -0700
commitc5c48345135ff04e039377020df23294d59aa59a (patch)
treef031ce4a84a778686c25b0fe8feb9bf101e3ebdf /drivers/base
parent4e89004eebc559595e58d75fd7f7f8ecd5aa600d (diff)
downloadlinux-next-c5c48345135ff04e039377020df23294d59aa59a.tar.gz
linux-next-c5c48345135ff04e039377020df23294d59aa59a.zip
mm: name the anonymous MMOP enum as enum mmop
Give the MMOP enum (MMOP_OFFLINE, MMOP_ONLINE, etc) a proper type name so the compiler can help catch invalid values being assigned to variables of this type. Leave the existing functions returning int alone to allow for value-or-error pattern to remain unchanged without churn. mmop_default_online_type is left as int because it uses the -1 sentinal value to signal it hasn't been initialized yet. Keep the uint8_t buffer in offline_and_remove_memory() as-is for space efficiency, with an explicit cast when we consume the value. Move the enum definition before the CONFIG_MEMORY_HOTPLUG guard so it is unconditionally available for struct memory_block in memory.h. No functional change. Link: https://lore.kernel.org/linux-mm/3424eba7-523b-4351-abd0-3a888a3e5e61@kernel.org/ Link: https://lkml.kernel.org/r/20260211215447.2194189-1-gourry@gourry.net Signed-off-by: Gregory Price <gourry@gourry.net> Suggested-by: Jonathan Cameron <jonathan.cameron@huawei.com> Suggested-by: "David Hildenbrand (arm)" <david@kernel.org> Reviewed-by: Ben Cheatham <benjamin.cheatham@amd.com> Acked-by: David Hildenbrand (Arm) <david@kernel.org> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Davidlohr Bueso <dave@stgolabs.net> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Cc: Danilo Krummrich <dakr@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Oscar Salvador <osalvador@suse.de> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index a3091924918b..5380050b16b7 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -452,7 +452,7 @@ static ssize_t phys_device_show(struct device *dev,
static int print_allowed_zone(char *buf, int len, int nid,
struct memory_group *group,
unsigned long start_pfn, unsigned long nr_pages,
- int online_type, struct zone *default_zone)
+ enum mmop online_type, struct zone *default_zone)
{
struct zone *zone;