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Update patch for "Add test programs for large page"

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Change-Id: I6ee96b677c65c5bf4b2312059abd689225c0581d
This commit is contained in:
Masamichi Takagi
2019-02-07 18:11:59 +09:00
committed by Dominique Martinet
parent 501531f3b3
commit d9b2924249
1 changed files with 48 additions and 106 deletions
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154
test/large_page/large_page.patch
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@ -1,8 +1,8 @@
diff --git arch/arm64/kernel/memory.c arch/arm64/kernel/memory.c
index ceca343..5e6c137 100644
index 2361c6f8..18c131eb 100644
--- arch/arm64/kernel/memory.c
+++ arch/arm64/kernel/memory.c
@@ -2701,6 +2701,13 @@ int set_range_l1(void *args0, pte_t *ptep, uintptr_t base, uintptr_t start,
@@ -2691,6 +2691,13 @@ int set_range_l1(void *args0, pte_t *ptep, uintptr_t base, uintptr_t start,
ptl1_set(ptep, pte);
error = 0;
@ -15,10 +15,10 @@ index ceca343..5e6c137 100644
+
// call memory_stat_rss_add() here because pgshift is resolved here
if (rusage_memory_stat_add(args->range, phys, PTL1_SIZE, PTL1_SIZE)) {
dkprintf("%lx+,%s: calling memory_stat_rss_add(),base=%lx,phys=%lx,size=%ld,pgsize=%ld\n", phys, __FUNCTION__, base, phys, PTL1_SIZE, PTL1_SIZE);
@@ -2791,6 +2798,17 @@ retry:
ptl_set(ptep, phys | args->attr[level-1], level);
dkprintf("%lx+,%s: calling memory_stat_rss_add(),base=%lx,phys=%lx,size=%ld,pgsize=%ld\n",
@@ -2783,6 +2790,17 @@ retry:
ptl_set(ptep, phys | args->attr[level-1],
level);
error = 0;
+
+ if (args->attr[level-1] & PTE_CONT) {
@ -35,10 +35,10 @@ index ceca343..5e6c137 100644
"large page. %d %lx\n",
base, start, end, level, error, *ptep);
diff --git arch/x86_64/kernel/memory.c arch/x86_64/kernel/memory.c
index 980d935..4fea4b0 100644
index 751b892c..48d7f6b1 100644
--- arch/x86_64/kernel/memory.c
+++ arch/x86_64/kernel/memory.c
@@ -2030,6 +2030,10 @@ retry:
@@ -2034,6 +2034,10 @@ retry:
dkprintf("set_range_l2(%lx,%lx,%lx):"
"2MiB page. %d %lx\n",
base, start, end, error, *ptep);
@ -49,7 +49,7 @@ index 980d935..4fea4b0 100644
// Call memory_stat_rss_add() here because pgshift is resolved here
if (rusage_memory_stat_add(args->range, phys, PTL2_SIZE, PTL2_SIZE)) {
dkprintf("%lx+,%s: calling memory_stat_rss_add(),base=%lx,phys=%lx,size=%ld,pgsize=%ld\n", phys, __FUNCTION__, base, phys, PTL2_SIZE, PTL2_SIZE);
@@ -2119,6 +2123,9 @@ retry:
@@ -2123,6 +2127,9 @@ retry:
"1GiB page. %d %lx\n",
base, start, end, error, *ptep);
@ -60,10 +60,10 @@ index 980d935..4fea4b0 100644
if (rusage_memory_stat_add(args->range, phys, PTL3_SIZE, PTL3_SIZE)) {
dkprintf("%lx+,%s: calling memory_stat_rss_add(),base=%lx,phys=%lx,size=%ld,pgsize=%ld\n", phys, __FUNCTION__, base, phys, PTL3_SIZE, PTL3_SIZE);
diff --git kernel/host.c kernel/host.c
index 0de0a08..6fb906e 100644
index 8ccac6ef..5d408eaa 100644
--- kernel/host.c
+++ kernel/host.c
@@ -96,10 +96,34 @@ int prepare_process_ranges_args_envs(struct thread *thread,
@@ -96,11 +96,35 @@ int prepare_process_ranges_args_envs(struct thread *thread,
unsigned long ap_flags;
enum ihk_mc_pt_attribute ptattr;
@ -79,6 +79,7 @@ index 0de0a08..6fb906e 100644
+
n = p->num_sections;
vm->region.data_start = ULONG_MAX;
aout_base = (pn->reloc)? vm->region.map_end: 0;
for (i = 0; i < n; i++) {
+ if (stack_page_size > PAGE_SIZE &&
@ -98,7 +99,7 @@ index 0de0a08..6fb906e 100644
ap_flags = 0;
if (pn->sections[i].interp && (interp_nbase == (uintptr_t)-1)) {
interp_obase = pn->sections[i].vaddr;
@@ -118,11 +142,22 @@ int prepare_process_ranges_args_envs(struct thread *thread,
@@ -119,11 +143,22 @@ int prepare_process_ranges_args_envs(struct thread *thread,
pn->sections[i].vaddr += aout_base;
p->sections[i].vaddr = pn->sections[i].vaddr;
}
@ -125,7 +126,7 @@ index 0de0a08..6fb906e 100644
flags = VR_NONE;
flags |= PROT_TO_VR_FLAG(pn->sections[i].prot);
flags |= VRFLAG_PROT_TO_MAXPROT(flags);
@@ -138,18 +173,37 @@ int prepare_process_ranges_args_envs(struct thread *thread,
@@ -139,18 +174,37 @@ int prepare_process_ranges_args_envs(struct thread *thread,
flags |= VR_AP_USER;
}
@ -173,9 +174,9 @@ index 0de0a08..6fb906e 100644
}
up = virt_to_phys(up_v);
@@ -212,8 +266,19 @@ int prepare_process_ranges_args_envs(struct thread *thread,
pn->at_entry += aout_base;
}
@@ -210,8 +264,19 @@ int prepare_process_ranges_args_envs(struct thread *thread,
vm->region.map_start = vm->region.map_end = TASK_UNMAPPED_BASE;
+ unsigned long heap_page_size;
+ unsigned long heap_page_mask;
@ -192,10 +193,10 @@ index 0de0a08..6fb906e 100644
- (vm->region.data_end + LARGE_PAGE_SIZE - 1) & LARGE_PAGE_MASK;
+ (vm->region.data_end + heap_page_size - 1) & heap_page_mask;
#if 0
{
if (vm->region.brk_start >= vm->region.map_start) {
kprintf("%s: ERROR: data section is too large (end addr: %lx)\n",
diff --git kernel/include/rusage_private.h kernel/include/rusage_private.h
index 7da7728..14253b2 100644
index cfa10faa..735a9eda 100644
--- kernel/include/rusage_private.h
+++ kernel/include/rusage_private.h
@@ -12,7 +12,7 @@
@ -208,11 +209,11 @@ index 7da7728..14253b2 100644
#define RUSAGE_OOM_MARGIN (2 * 1024 * 1024) // 2MB
diff --git kernel/process.c kernel/process.c
index 32a8ef6..24f262a 100644
index bcaf8a72..1dfc7562 100644
--- kernel/process.c
+++ kernel/process.c
@@ -2030,6 +2030,12 @@ retry:
#endif /* POSTK_DEBUG_TEMP_FIX_86 */
@@ -2033,6 +2033,12 @@ retry:
}
dkprintf("%s: attr=%x\n", __FUNCTION__, attr);
+
@ -224,7 +225,7 @@ index 32a8ef6..24f262a 100644
error = ihk_mc_pt_set_pte(vm->address_space->page_table, ptep,
pgsize, phys, attr);
if (error) {
@@ -2256,15 +2262,20 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
@@ -2260,10 +2266,15 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
int stack_populated_size = 0;
int stack_align_padding = 0;
@ -235,92 +236,61 @@ index 32a8ef6..24f262a 100644
+ unsigned long stack_page_p2align = stack_page_shift - PAGE_SHIFT;
+
/* Create stack range */
#ifdef POSTK_DEBUG_ARCH_DEP_104 /* user stack prepage size fix */
- end = STACK_TOP(&thread->vm->region) & USER_STACK_PAGE_MASK;
- minsz = (pn->stack_premap + USER_STACK_PREPAGE_SIZE - 1) &
- USER_STACK_PAGE_MASK;
+ end = STACK_TOP(&thread->vm->region) & stack_page_mask;
+ minsz = stack_page_size;
#else /* POSTK_DEBUG_ARCH_DEP_104 */
- end = STACK_TOP(&thread->vm->region) & LARGE_PAGE_MASK;
+ end = STACK_TOP(&thread->vm->region) & stack_page_mask;
minsz = (pn->stack_premap
- + LARGE_PAGE_SIZE - 1) & LARGE_PAGE_MASK;
+ + stack_page_size - 1) & stack_page_mask;
#endif /* POSTK_DEBUG_ARCH_DEP_104 */
maxsz = (end - thread->vm->region.map_start) / 2;
size = proc->rlimit[MCK_RLIMIT_STACK].rlim_cur;
@@ -2275,9 +2286,9 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
if (size > maxsz) {
@@ -2272,13 +2283,14 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
else if (size < minsz) {
size = minsz;
}
#ifdef POSTK_DEBUG_ARCH_DEP_104 /* user stack prepage size fix */
- size = (size + USER_STACK_PREPAGE_SIZE - 1) & USER_STACK_PAGE_MASK;
+ size = (size + stack_page_size - 1) & stack_page_mask;
#else /* POSTK_DEBUG_ARCH_DEP_104 */
- size = (size + LARGE_PAGE_SIZE - 1) & LARGE_PAGE_MASK;
+ size = (size + stack_page_size - 1) & stack_page_mask;
#endif /* POSTK_DEBUG_ARCH_DEP_104 */
+
dkprintf("%s: stack_premap: %lu, rlim_cur: %lu, minsz: %lu, size: %lu\n",
__FUNCTION__,
@@ -2285,9 +2296,9 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
pn->stack_premap,
proc->rlimit[MCK_RLIMIT_STACK].rlim_cur,
minsz, size);
#ifdef POSTK_DEBUG_ARCH_DEP_104 /* user stack prepage size fix */
- start = (end - size) & USER_STACK_PAGE_MASK;
+ start = (end - size) & stack_page_mask;
#else /* POSTK_DEBUG_ARCH_DEP_104 */
- start = (end - size) & LARGE_PAGE_MASK;
+ start = (end - size) & stack_page_mask;
#endif /* POSTK_DEBUG_ARCH_DEP_104 */
/* Apply user allocation policy to stacks */
@@ -2300,10 +2311,10 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
/* TODO: make threshold kernel or mcexec argument */
@@ -2289,9 +2301,7 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
ap_flag ? "(IHK_MC_AP_USER)" : "");
#ifdef POSTK_DEBUG_ARCH_DEP_104 /* user stack prepage size fix */
stack = ihk_mc_alloc_aligned_pages_user(minsz >> PAGE_SHIFT,
- USER_STACK_PAGE_P2ALIGN, IHK_MC_AP_NOWAIT | ap_flag, start);
- USER_STACK_PAGE_P2ALIGN,
- IHK_MC_AP_NOWAIT | ap_flag,
- start);
+ stack_page_p2align, IHK_MC_AP_NOWAIT | ap_flag, start);
#else /* POSTK_DEBUG_ARCH_DEP_104 */
stack = ihk_mc_alloc_aligned_pages_user(minsz >> PAGE_SHIFT,
- LARGE_PAGE_P2ALIGN, IHK_MC_AP_NOWAIT | ap_flag, start);
+ stack_page_p2align, IHK_MC_AP_NOWAIT | ap_flag, start);
#endif /* POSTK_DEBUG_ARCH_DEP_104 */
if (!stack) {
@@ -2321,13 +2332,13 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
kprintf("%s: error: couldn't allocate initial stack\n",
@@ -2307,7 +2317,7 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
vrflag |= VR_MAXPROT_READ | VR_MAXPROT_WRITE | VR_MAXPROT_EXEC;
#define NOPHYS ((uintptr_t)-1)
#ifdef POSTK_DEBUG_ARCH_DEP_104 /* user stack prepage size fix */
if ((rc = add_process_memory_range(thread->vm, start, end, NOPHYS,
- vrflag, NULL, 0, USER_STACK_PAGE_SHIFT, &range)) != 0) {
+ vrflag, NULL, 0, stack_page_shift, &range)) != 0) {
ihk_mc_free_pages_user(stack, minsz >> PAGE_SHIFT);
return rc;
}
#else /* POSTK_DEBUG_ARCH_DEP_104 */
if ((rc = add_process_memory_range(thread->vm, start, end, NOPHYS,
- vrflag, NULL, 0, LARGE_PAGE_SHIFT, &range)) != 0) {
+ vrflag, NULL, 0, stack_page_shift, &range)) != 0) {
ihk_mc_free_pages_user(stack, minsz >> PAGE_SHIFT);
kprintf("%s: error addding process memory range: %d\n", rc);
return rc;
@@ -2340,14 +2351,14 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
thread->vm, (void *)(end - minsz),
(void *)end, virt_to_phys(stack),
arch_vrflag_to_ptattr(vrflag, PF_POPULATE, NULL),
- USER_STACK_PAGE_SHIFT, range, 0
+ stack_page_shift, range, 0
);
#else /* POSTK_DEBUG_ARCH_DEP_104 */
error = ihk_mc_pt_set_range(thread->vm->address_space->page_table,
thread->vm, (void *)(end - minsz),
(void *)end, virt_to_phys(stack),
arch_vrflag_to_ptattr(vrflag, PF_POPULATE, NULL),
- LARGE_PAGE_SHIFT, range, 0
+ stack_page_shift, range, 0
);
#endif /* POSTK_DEBUG_ARCH_DEP_104 */
@@ -2464,14 +2475,15 @@ unsigned long extend_process_region(struct process_vm *vm,
@@ -2319,7 +2329,7 @@ int init_process_stack(struct thread *thread, struct program_load_desc *pn,
(void *)end, virt_to_phys(stack),
arch_vrflag_to_ptattr(vrflag, PF_POPULATE,
NULL),
- USER_STACK_PAGE_SHIFT, range, 0);
+ stack_page_shift, range, 0);
if (error) {
kprintf("init_process_stack:"
"set range %lx-%lx %lx failed. %d\n",
@@ -2432,14 +2442,15 @@ unsigned long extend_process_region(struct process_vm *vm,
void *p;
int rc;
@ -344,31 +314,3 @@ index 32a8ef6..24f262a 100644
new_end_allocated = (address + (PAGE_SIZE - 1)) & PAGE_MASK;
if ((new_end_allocated - end_allocated) < vm->proc->heap_extension) {
diff --git kernel/syscall.c kernel/syscall.c
index 449c931..10a9039 100644
--- kernel/syscall.c
+++ kernel/syscall.c
@@ -5228,9 +5228,22 @@ int do_shmget(const key_t key, const size_t size, const int shmflg)
return -ENOSPC;
}
- pgshift = PAGE_SHIFT;
if (shmflg & SHM_HUGETLB) {
pgshift = (shmflg >> SHM_HUGE_SHIFT) & 0x3F;
+ } else {
+ size_t pgsize;
+
+ if (size > PAGE_SIZE) {
+ error = arch_get_smaller_page_size(NULL, size + 1, &pgsize, NULL);
+ if (error) {
+ ekprintf("%s: arch_get_smaller_page_size failed. %d\n", error);
+ return error;
+ }
+
+ pgshift = 63 - __builtin_clzl(pgsize);;
+ } else {
+ pgshift = PAGE_SHIFT;
+ }
}
memset(&ads, 0, sizeof(ads));