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UCX: fix page size for shared memory

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Change-Id: I75b0beef8345b391e7619887765ed1a89d74c29b
This commit is contained in:
Balazs Gerofi
2019-09-17 13:59:45 +09:00
committed by Masamichi Takagi
parent 5e44c9c9f9
commit e35ec09da1
1 changed files with 7 additions and 0 deletions
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7
kernel/syscall.c
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@ -1805,6 +1805,13 @@ do_mmap(const uintptr_t addr0, const size_t len0, const int prot,
off = off0;
error = fileobj_create(fd, &memobj, &maxprot,
flags, addr0);
if (memobj && memobj->path && !strncmp(memobj->path, "/dev/shm/ucx_posix", 18)) {
kprintf("%s: mmap flags: %lx, path: %s, memobj->flags: %lx, "
"pgshift: %d, p2align: %d -> FIXING page size\n",
__func__, flags, memobj->path, memobj->flags, pgshift, p2align);
pgshift = PAGE_SHIFT;
p2align = PAGE_P2ALIGN;
}
#ifdef ATTACHED_MIC
/*
* XXX: refuse device mapping in attached-mic now: