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

fileobj: rewrite for scalability using per-file page hash

Browse Source
This commit is contained in:
Balazs Gerofi
2016-12-17 19:50:48 +09:00
parent 91cdb16158
commit bce10e11e4
6 changed files with 185 additions and 188 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
executer/kernel/mcctrl/syscall.c
View File

@ -746,6 +746,17 @@ static struct list_head pager_list = LIST_HEAD_INIT(pager_list);
struct pager_create_result {
uintptr_t handle;
int maxprot;
uint32_t flags;
};
enum {
/* for memobj.flags */
MF_HAS_PAGER = 0x0001,
MF_SHMDT_OK = 0x0002,
MF_IS_REMOVABLE = 0x0004,
MF_PREFETCH = 0x0008,
MF_ZEROFILL = 0x0010,
MF_END
};
static int pager_req_create(ihk_os_t os, int fd, uintptr_t result_pa)
@ -760,6 +771,7 @@ static int pager_req_create(ihk_os_t os, int fd, uintptr_t result_pa)
struct pager *newpager = NULL;
uintptr_t phys;
struct kstat st;
int mf_flags = 0;
dprintk("pager_req_create(%d,%lx)\n", fd, (long)result_pa);
@ -856,6 +868,7 @@ found:
resp = ihk_device_map_virtual(dev, phys, sizeof(*resp), NULL, 0);
resp->handle = (uintptr_t)pager;
resp->maxprot = maxprot;
resp->flags = mf_flags;
ihk_device_unmap_virtual(dev, resp, sizeof(*resp));
ihk_device_unmap_memory(dev, phys, sizeof(*resp));