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init_process_stack: change premapped stack size based on arch

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Avoid consuming a large 512MB page on 64K base page arch

Change-Id: Ice491d43fd998b375ddc24f4eff7faf5d36d9f42
Fujitsu: POSTK_DEBUG_ARCH_DEP_104
This commit is contained in:
Dominique Martinet
2019-01-28 17:22:37 +09:00
parent 960a6f5f90
commit 2b254f02f8
3 changed files with 30 additions and 17 deletions
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4
arch/x86_64/kernel/include/arch-memory.h
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@ -160,6 +160,10 @@ typedef unsigned long pte_t;
#define PM_PRESENT PM_STATUS(4LL)
#define PM_SWAP PM_STATUS(2LL)
#define USER_STACK_PREPAGE_SIZE LARGE_PAGE_SIZE
#define USER_STACK_PAGE_MASK LARGE_PAGE_MASK
#define USER_STACK_PAGE_P2ALIGN LARGE_PAGE_P2ALIGN
#define USER_STACK_PAGE_SHIFT LARGE_PAGE_SHIFT
/* For easy conversion, it is better to be the same as architecture's ones */
enum ihk_mc_pt_attribute {