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

OFP: temporary ANON mmap() rewrite

Browse Source
This commit is contained in:
Balazs Gerofi
2018-06-07 07:16:49 +09:00
parent 2f0c2aae9e
commit 09f63483cc
9 changed files with 239 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
kernel/mem.c
View File

@@ -698,6 +698,22 @@ static void *mckernel_allocate_aligned_pages_node(int npages, int p2align,
break;
}
else {
dkprintf("%s: couldn't fulfill user policy for"
" %d contiguous pages from node %d "
#ifdef IHK_RBTREE_ALLOCATOR
"(free pages left: %d)"
#endif
"\n",
__FUNCTION__,
npages,
numa_id
#ifdef IHK_RBTREE_ALLOCATOR
, memory_nodes[numa_id].nr_free_pages
#endif
);
//return NULL;
}
}
if (pa) break;
@@ -719,8 +735,8 @@ static void *mckernel_allocate_aligned_pages_node(int npages, int p2align,
#ifdef PROFILE_ENABLE
profile_event_add(PROFILE_mpol_alloc_missed, npages * 4096);
#endif
dkprintf("%s: couldn't fulfill user policy for %d pages\n",
__FUNCTION__, npages);
dkprintf("%s: couldn't fulfill user policy for %d pages from node %d\n",
__FUNCTION__, npages, i);
}
distance_based:
@@ -926,6 +942,8 @@ static void query_free_mem_interrupt_handler(void *priv)
/* Iterate memory allocators */
for (i = 0; i < ihk_mc_get_nr_numa_nodes(); ++i) {
#ifdef IHK_RBTREE_ALLOCATOR
kprintf("McKernel free pages in NUMA node %d: %d\n",
i, memory_nodes[i].nr_free_pages);
pages += memory_nodes[i].nr_free_pages;
#else
struct ihk_page_allocator_desc *pa_allocator;
@@ -981,6 +999,8 @@ void coredump(struct thread *thread, void *regs)
struct coretable *coretable;
int chunks;
return;
#ifdef POSTK_DEBUG_ARCH_DEP_67 /* use limit corefile size. (temporarily fix.) */
if (thread->proc->rlimit[MCK_RLIMIT_CORE].rlim_cur == 0) {
return;
@@ -1189,6 +1209,7 @@ static void page_fault_handler(void *fault_addr, uint64_t reason, void *regs)
if (!lptep || !pte_is_present(lptep)) {
kprintf("%s: ERROR: no mapping in Linux for: 0x%lx?\n",
__FUNCTION__, virt);
terminate(0, SIGKILL);
goto regular_handler;
}
@@ -1210,7 +1231,7 @@ static void page_fault_handler(void *fault_addr, uint64_t reason, void *regs)
}
*ptep = *lptep;
kprintf("%s: Linux ioremap address 0x%lx -> 0x%lx "
dkprintf("%s: Linux ioremap address 0x%lx -> 0x%lx "
"mapped on demand\n",
__FUNCTION__, virt, phys);