android/android_kernel_samsung_sm8650
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ANDROID: GKI: mm: Add Android ABI padding to MGLRU structures

Browse Source 
Try to handle any future changes in MGLRU by adding kabi padding.

This change keeps these struct sizes within the same allocation order:
lru_gen_folio: 1152 -> 1168 bytes
lru_gen_mm_state: 120 -> 128 bytes
lru_gen_mm_walk: 184 -> 200 bytes
lru_gen_memcg: 160 -> 176 bytes
lruvec: 1416 -> 1456 bytes

Bug: 151154716
Change-Id: Ibc2fd8bc70e555194c5be7131a2b7ab4b579daa9
Signed-off-by: T.J. Mercier <tjmercier@google.com>
This commit is contained in:
T.J. Mercier 2023-05-31 22:02:21 +00:00 committed by Carlos Llamas
parent 4081f368be
commit 10cb62e6ca
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
include/linux/mmzone.h
View File

@ -438,6 +438,9 @@ struct lru_gen_folio {
/* per-node lru_gen_folio list for global reclaim */
struct hlist_nulls_node list;
#endif
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
};
enum {
@ -468,6 +471,8 @@ struct lru_gen_mm_state {
unsigned long stats[NR_HIST_GENS][NR_MM_STATS];
/* the number of concurrent page table walkers */
int nr_walkers;
ANDROID_KABI_RESERVE(1);
};
struct lru_gen_mm_walk {
@ -485,6 +490,9 @@ struct lru_gen_mm_walk {
int batched;
bool can_swap;
bool force_scan;
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
};
void lru_gen_init_lruvec(struct lruvec *lruvec);
@ -542,6 +550,9 @@ struct lru_gen_memcg {
struct hlist_nulls_head fifo[MEMCG_NR_GENS][MEMCG_NR_BINS];
/* protects the above */
spinlock_t lock;
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
};
void lru_gen_init_pgdat(struct pglist_data *pgdat);
@ -637,6 +648,8 @@ struct lruvec {
struct pglist_data *pgdat;
#endif
ANDROID_VENDOR_DATA(1);
ANDROID_KABI_RESERVE(1);
ANDROID_KABI_RESERVE(2);
};
/* Isolate unmapped pages */