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shmobj: support large page

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Change-Id: I104c1b8551b87f5cbfedb13262e77c00c38e9643
This commit is contained in:
Yoshihisa Morizumi
2021-01-28 10:38:41 +09:00
committed by Masamichi Takagi
parent d2db639853
commit 47aec70f5f
32 changed files with 2219 additions and 75 deletions
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16
kernel/mem.c
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@ -46,6 +46,7 @@
#include <ihk/debug.h>
#include <llist.h>
#include <bootparam.h>
#include <memobj.h>
//#define DEBUG_PRINT_MEM
@ -2977,3 +2978,18 @@ int lookup_node(struct process_vm *vm, void *addr)
out:
return node;
}
int is_splitable(struct page *page, uint32_t memobj_flags)
{
int ret = 1;
if (page && (page_is_in_memobj(page)
|| page_is_multi_mapped(page))) {
if (memobj_flags & MF_SHM) {
goto out;
}
ret = 0;
}
out:
return ret;
}