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...> Signed-off-by: Gioh Kim <gurugio at hanmail.net> Signed-off-by: Minchan Kim <minchan at kernel.org> --- fs/anon_inodes.c | 6 ++++++ include/linux/anon_inodes.h | 1 + 2 files changed, 7 insertions(+) diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c index 80ef38c73e5a..1d51f96acdd9 100644 --- a/fs/anon_inodes.c +++ b/fs/anon_inodes.c @@ -162,6 +162,12 @@ int anon_inode_getfd(const char *name, const struct file_operations *fops, } EXPORT_SYMBOL_GPL(anon_inode_getfd); +struct inode *anon_inode_new(void) +{ + return alloc_anon_inode(anon_inode_mnt->mnt_sb); +} +EXPORT_SYM...

Recently, I got many reports about perfermance degradation in embedded system(Android mobile phone, webOS TV and so on) and failed to fork easily. The problem was fragmentation caused by zram and GPU driver pages. Their pages cannot be migrated so compaction cannot work well, either so reclaimer ends up shrinking all of working set pages. It made system very slow and even to fail to fork easily.

Recently, I got many reports about perfermance degradation in embedded system(Android mobile phone, webOS TV and so on) and failed to fork easily. The problem was fragmentation caused by zram and GPU driver pages. Their pages cannot be migrated so compaction cannot work well, either so reclaimer ends up shrinking all of working set pages. It made system very slow and even to fail to fork easily.