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

ContiguousPTE[12/12] modify sys_shmget/sys_mmap

Browse Source 
Change-Id: Icfbe9fbfa6216735ec20c55da95e5b62a25fdfea
This commit is contained in:
TOIDA,Suguru
2018-11-30 09:18:47 +09:00
committed by Masamichi Takagi
parent 410bf13367
commit 4ba4bbd711
4 changed files with 37 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm64/kernel/include/arch/mman.h
View File

@@ -23,10 +23,14 @@
#define MAP_HUGE_SHIFT 26
#if FIRST_LEVEL_BLOCK_SUPPORT
# define MAP_HUGE_FIRST_BLOCK (__PTL3_SHIFT << MAP_HUGE_SHIFT)
# define MAP_HUGE_FIRST_CONT_BLOCK (__PTL3_CONT_SHIFT << MAP_HUGE_SHIFT)
#else
# define MAP_HUGE_FIRST_BLOCK -1 /* not supported */
# define MAP_HUGE_FIRST_CONT_BLOCK -1 /* not supported */
#endif
#define MAP_HUGE_SECOND_BLOCK (__PTL2_SHIFT << MAP_HUGE_SHIFT)
#define MAP_HUGE_SECOND_CONT_BLOCK (__PTL2_CONT_SHIFT << MAP_HUGE_SHIFT)
#define MAP_HUGE_THIRD_CONT_BLOCK (__PTL1_CONT_SHIFT << MAP_HUGE_SHIFT)
/*
* for mlockall()

4
arch/arm64/kernel/include/arch/shm.h
View File

@@ -8,10 +8,14 @@
#define SHM_HUGE_SHIFT 26
#if FIRST_LEVEL_BLOCK_SUPPORT
# define SHM_HUGE_FIRST_BLOCK (__PTL3_SHIFT << SHM_HUGE_SHIFT)
# define SHM_HUGE_FIRST_CONT_BLOCK (__PTL3_CONT_SHIFT << SHM_HUGE_SHIFT)
#else
# define SHM_HUGE_FIRST_BLOCK -1 /* not supported */
# define SHM_HUGE_FIRST_CONT_BLOCK -1 /* not supported */
#endif
#define SHM_HUGE_SECOND_BLOCK (__PTL2_SHIFT << SHM_HUGE_SHIFT)
#define SHM_HUGE_SECOND_CONT_BLOCK (__PTL2_CONT_SHIFT << SHM_HUGE_SHIFT)
#define SHM_HUGE_THIRD_CONT_BLOCK (__PTL1_CONT_SHIFT << SHM_HUGE_SHIFT)
struct ipc_perm {
key_t key;