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

Refactor "do write back only MAP_SHARED pages"

Browse Source 
* free_process_memory_range() always passes memobj to
  ihk_mc_pt_free_range()
* clear_range_*() don't flush page in fileobj with MF_PRIVATE flag

Fujitsu: POSTK_DEBUG_TEMP_FIX_87
Change-Id: I8d46d029b3fc51ca6f0e59d748a2fe93e324a374
This commit is contained in:
Masamichi Takagi
2018-10-12 13:37:50 +09:00
committed by Dominique Martinet
parent fb24dcea2e
commit 9cfc373538
7 changed files with 28 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
executer/kernel/mcctrl/syscall.c
View File

@ -1084,6 +1084,7 @@ enum {
MF_ZEROOBJ = 0x20000, /* To identify pages of anonymous, on-demand paging ranges for rusage accounting */
MF_SHM = 0x40000,
MF_HUGETLBFS = 0x100000,
MF_PRIVATE = 0x200000, /* To prevent flush in clear_range_* */
};
static int pager_get_path(struct file *file, char *path) {