gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

xpmem: support large page

Browse Source 
1. try to use as large page as possible on attach
2. pre-map resident remote pages on attach

Change-Id: I5580682a4199e94085a9bad9ce3958a0f14cdcea
This commit is contained in:
Yoshihisa Morizumi
2021-01-08 16:56:32 +09:00
committed by Masamichi Takagi
parent 3aaa5350f0
commit d2db639853
68 changed files with 4878 additions and 244 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
kernel/include/xpmem_private.h
View File

@@ -248,11 +248,12 @@ static void xpmem_clear_PTEs_of_att(struct xpmem_attachment *, unsigned long,
static int xpmem_remap_pte(struct process_vm *, struct vm_range *,
unsigned long, uint64_t, struct xpmem_segment *, unsigned long);
static int xpmem_ensure_valid_page(struct xpmem_segment *, unsigned long);
static int xpmem_ensure_valid_page(struct xpmem_segment *, unsigned long,
int);
static pte_t * xpmem_vaddr_to_pte(struct process_vm *, unsigned long,
size_t *pgsize);
static int xpmem_pin_page(struct xpmem_thread_group *, struct thread *,
struct process_vm *, unsigned long);
struct process_vm *, unsigned long, int);
static void xpmem_unpin_pages(struct xpmem_segment *, struct process_vm *,
unsigned long, size_t);
@@ -406,7 +407,7 @@ static inline void xpmem_tg_ref(
DBUG_ON(ihk_atomic_read(&tg->refcnt) <= 0);
ihk_atomic_inc(&tg->refcnt);
XPMEM_DEBUG("return: tg->refcnt=%d", tg->refcnt);
//XPMEM_DEBUG("return: tg->refcnt=%d", tg->refcnt);
}
static inline void xpmem_seg_ref(
@@ -415,7 +416,7 @@ static inline void xpmem_seg_ref(
DBUG_ON(ihk_atomic_read(&seg->refcnt) <= 0);
ihk_atomic_inc(&seg->refcnt);
XPMEM_DEBUG("return: seg->refcnt=%d", seg->refcnt);
//XPMEM_DEBUG("return: seg->refcnt=%d", seg->refcnt);
}
static inline void xpmem_ap_ref(
@@ -424,7 +425,7 @@ static inline void xpmem_ap_ref(
DBUG_ON(ihk_atomic_read(&ap->refcnt) <= 0);
ihk_atomic_inc(&ap->refcnt);
XPMEM_DEBUG("return: ap->refcnt=%d", ap->refcnt);
//XPMEM_DEBUG("return: ap->refcnt=%d", ap->refcnt);
}
static inline void xpmem_att_ref(
@@ -433,7 +434,7 @@ static inline void xpmem_att_ref(
DBUG_ON(ihk_atomic_read(&att->refcnt) <= 0);
ihk_atomic_inc(&att->refcnt);
XPMEM_DEBUG("return: att->refcnt=%d", att->refcnt);
//XPMEM_DEBUG("return: att->refcnt=%d", att->refcnt);
}
static inline int xpmem_is_private_data(