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ANDROID: GKI: support mm_event for FS/IO/UFS path

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This is stub for FS/IO/UFS part in mm_event.

Bug: 149182139
Change-Id: Iae01a7d7c27224f2d7dea287f1d713103d8c7398
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
This commit is contained in:
Jaegeuk Kim 2020-05-19 15:37:19 -07:00 • committed by Saravana Kannan
commit 9f46753616
3 changed files with 13 additions and 1 deletions
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2
include/linux/blk_types.h
View file

@ -212,6 +212,8 @@ struct bio {
struct bio_set *bi_pool;
ktime_t bi_alloc_ts; /* for mm_event */
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);

7
include/linux/mm_event.h
View file

@ -10,7 +10,12 @@ enum mm_event_type {
MM_RECLAIM = 4,
MM_SWP_FAULT = 5,
MM_KERN_ALLOC = 6,
MM_TYPE_NUM = 7,
BLK_READ_SUBMIT_BIO = 7,
UFS_READ_QUEUE_CMD = 8,
UFS_READ_SEND_CMD = 9,
UFS_READ_COMPL_CMD = 10,
F2FS_READ_DATA = 11,
MM_TYPE_NUM = 12,
};
struct mm_event_task {

5
mm/mm_event.c
View file

@ -5,3 +5,8 @@ void mm_event_count(enum mm_event_type event, int count)
{
}
EXPORT_SYMBOL_GPL(mm_event_count);
void mm_event_end(enum mm_event_type event, ktime_t start)
{
}
EXPORT_SYMBOL_GPL(mm_event_end);