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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , open list , "open list:MEMORY MANAGEMENT - CORE" Cc: jyescas@google.com, android-mm@google.com, ljs@kernel.org, fvdl@google.com, tkjos@google.com, minchan@google.com, dskiba@google.com, open list , "open list:MEMORY MANAGEMENT - CORE" Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 29B018000E X-Stat-Signature: u3qjq5f9gh756s53ted7bqfr9se5x6c8 X-Rspam-User: X-HE-Tag: 1785978770-739759 X-HE-Meta: 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 b3u5m9eu 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: This change sets the selected migrate type in gfp_t flags. Signed-off-by: Juan Yescas --- Changes in v2: - Make sure that ZONE_MOVABLE is only used by MIGRATE_MOVABLE requests. mm/page_alloc_hogger.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/mm/page_alloc_hogger.c b/mm/page_alloc_hogger.c index 0e9ac43e9868..4b72acfbc087 100644 --- a/mm/page_alloc_hogger.c +++ b/mm/page_alloc_hogger.c @@ -155,6 +155,24 @@ static inline void set_zone_to_alloc_from(int zone_idx, gfp_t *flags_ptr) } } +static inline void set_migrate_type_to_alloc_from(int migrate_type, gfp_t *flags_ptr) +{ + switch (migrate_type) { + case MIGRATE_UNMOVABLE: + *flags_ptr &= ~(__GFP_RECLAIMABLE | __GFP_MOVABLE); + break; + case MIGRATE_RECLAIMABLE: + *flags_ptr |= __GFP_RECLAIMABLE; + break; + case MIGRATE_HIGHATOMIC: + *flags_ptr |= __GFP_HIGH; + break; + case MIGRATE_MOVABLE: default: + *flags_ptr |= __GFP_MOVABLE; + break; + } +} + /** * req_page_alloc_write() - Allocates the pages on the requested node, zone, * order and migrate type. Once the allocation is performed, a file is created @@ -179,6 +197,7 @@ static ssize_t req_page_alloc_write(struct file *file, const char __user *ubuf, return -ENOMEM; set_zone_to_alloc_from(req->zone_idx, &flags); + set_migrate_type_to_alloc_from(req->migrate_type, &flags); kfree(allocs_ids); @@ -248,6 +267,9 @@ static inline int create_migrate_type_subdirs(struct dentry *orderdir, int nid, if (mtype == MIGRATE_ISOLATE) /* can't allocate from here */ continue; #endif + if (zone_idx == ZONE_MOVABLE && mtype != MIGRATE_MOVABLE) + continue; + snprintf(dirname, sizeof(dirname), "migrate-%s", migratetype_names[mtype]); migratedir = debugfs_create_dir(dirname, orderdir); -- 2.55.0.629.g250fe7f194-goog