Unverified Commit e5705bb9 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!10264 mm: filemap: optimize semantic when thp_exec_enabled is set to 3 

Merge Pull Request from: @ci-robot 
 
PR sync from: Nanyong Sun <sunnanyong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/4UQWDWRPDYZYHBAAMVDRKNDA6XESABIY/ 
 
https://gitee.com/openeuler/kernel/issues/IAEOV4 
 
Link:https://gitee.com/openeuler/kernel/pulls/10264

 

Reviewed-by: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents a64ebe8e 9ca4598b

mm/filemap.c

+6 −2
Original line number Diff line number Diff line
@@ -3159,8 +3159,12 @@ static inline void try_enable_file_exec_thp(struct vm_area_struct *vma, 
	if (file->f_op->get_unmapped_area != thp_get_unmapped_area)

		return;



	if (file_exec_thp_enabled())

		hugepage_madvise(vma, vm_flags, MADV_HUGEPAGE);

	if (!file_exec_thp_enabled())

		return;



	if (thp_vma_allowable_order(vma, *vm_flags, TVA_ENFORCE_SYSFS,

				PMD_ORDER))

		*vm_flags |= VM_HUGEPAGE;

}



static inline bool file_exec_can_enable_mthp(struct address_space *mapping,