openkylin
/
platform_kernel-5.15
mirror of https://gitee.com/openkylin/platform_kernel-5.15.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Revert "ANDROID: Fix build errors caused by missing mmu_notifier_lock definition" 

This reverts commit dbc5eb8e31.
Reason for revert: performance regression.

Bug: 234527424
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: I685f09cfe4d2b3fef9e88953f794186c0e790657
This commit is contained in:
Suren Baghdasaryan 2022-06-08 08:28:04 -07:00 committed by Carlos Llamas
parent 9a526b9527
commit f25e13c1bc
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/linux/mm_types.h
View File

@ -580,10 +580,10 @@ struct mm_struct {
struct file __rcu *exe_file;
#ifdef CONFIG_MMU_NOTIFIER
struct mmu_notifier_subscriptions *notifier_subscriptions;
#endif /* CONFIG_MMU_NOTIFIER */
#ifdef CONFIG_SPECULATIVE_PAGE_FAULT
struct percpu_rw_semaphore *mmu_notifier_lock;
#endif /* CONFIG_SPECULATIVE_PAGE_FAULT */
#endif /* CONFIG_MMU_NOTIFIER */
#if defined(CONFIG_TRANSPARENT_HUGEPAGE) && !USE_SPLIT_PMD_PTLOCKS
pgtable_t pmd_huge_pte; /* protected by page_table_lock */
#endif

2
include/linux/mmu_notifier.h
View File

@ -772,7 +772,7 @@ static inline void mmu_notifier_synchronize(void)
#endif /* CONFIG_MMU_NOTIFIER */
#if defined(CONFIG_SPECULATIVE_PAGE_FAULT)
#if defined(CONFIG_MMU_NOTIFIER) && defined(CONFIG_SPECULATIVE_PAGE_FAULT)
static inline bool mmu_notifier_trylock(struct mm_struct *mm)
{