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

3
arch/arm64/kernel/syscall.c
View File

@ -15,6 +15,7 @@
#include <limits.h>
#include <uio.h>
#include <syscall.h>
#include <bitops.h>
#include <rusage_private.h>
#include <memory.h>
#include <ihk/debug.h>
@ -1807,7 +1808,7 @@ SYSCALL_DECLARE(mmap)
goto out;
}
addr = do_mmap(addr, len, prot, flags, fd, off0);
addr = do_mmap(addr, len, prot, flags, fd, off0, 0, NULL);
error = 0;
out:

4
arch/arm64/kernel/vdso.c
View File

@ -155,7 +155,7 @@ int arch_map_vdso(struct process_vm *vm)
flag = VR_REMOTE | VR_PROT_READ;
flag |= VRFLAG_PROT_TO_MAXPROT(flag);
ret = add_process_memory_range(vm, start, end, vdso.vvar_phys, flag,
NULL, 0, PAGE_SHIFT, &range);
NULL, 0, PAGE_SHIFT, NULL, &range);
if (ret != 0){
dkprintf("ERROR: adding memory range for tod_data\n");
goto exit;
@ -167,7 +167,7 @@ int arch_map_vdso(struct process_vm *vm)
flag = VR_REMOTE | VR_PROT_READ | VR_PROT_EXEC;
flag |= VRFLAG_PROT_TO_MAXPROT(flag);
ret = add_process_memory_range(vm, start, end, vdso.vdso_physlist[0], flag,
NULL, 0, PAGE_SHIFT, &range);
NULL, 0, PAGE_SHIFT, NULL, &range);
if (ret != 0) {
dkprintf("ERROR: adding memory range for vdso_text\n");

8
arch/x86_64/kernel/syscall.c
View File

@ -31,6 +31,7 @@
#include <page.h>
#include <limits.h>
#include <syscall.h>
#include <bitops.h>
#include <rusage_private.h>
#include <memory.h>
#include <ihk/debug.h>
@ -1511,7 +1512,7 @@ recheck:
goto out;
}
addr = do_mmap(addr, len, prot, flags, fd, off0);
addr = do_mmap(addr, len, prot, flags, fd, off0, 0, NULL);
error = 0;
out:
@ -1840,7 +1841,7 @@ int arch_map_vdso(struct process_vm *vm)
vrflags |= VR_PROT_READ | VR_PROT_EXEC;
vrflags |= VRFLAG_PROT_TO_MAXPROT(vrflags);
error = add_process_memory_range(vm, (intptr_t)s, (intptr_t)e,
NOPHYS, vrflags, NULL, 0, PAGE_SHIFT, &range);
NOPHYS, vrflags, NULL, 0, PAGE_SHIFT, NULL, &range);
if (error) {
ekprintf("ERROR: adding memory range for vdso. %d\n", error);
goto out;
@ -1872,7 +1873,8 @@ int arch_map_vdso(struct process_vm *vm)
vrflags |= VR_PROT_READ;
vrflags |= VRFLAG_PROT_TO_MAXPROT(vrflags);
error = add_process_memory_range(vm, (intptr_t)s, (intptr_t)e,
NOPHYS, vrflags, NULL, 0, PAGE_SHIFT, &range);
NOPHYS, vrflags, NULL, 0,
PAGE_SHIFT, NULL, &range);
if (error) {
ekprintf("ERROR: adding memory range for vvar. %d\n", error);
goto out;