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rusage: Move pgsize_to_pgshift to arch-memory.h

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Change-Id: Ia10b6e5c7d078d345347a79a3e98c06c16d28d6a
This commit is contained in:
Masamichi Takagi
2019-06-21 19:13:28 +09:00
parent 0267a0c8ea
commit 3b74b0a093
5 changed files with 87 additions and 40 deletions
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34
arch/arm64/kernel/include/arch-memory.h
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@ -586,6 +586,40 @@ static inline int pgsize_to_tbllv(size_t pgsize)
return level;
}
static inline int pgsize_to_pgshift(size_t pgsize)
{
/* We need to use if instead of switch because
* sometimes PTLX_CONT_SIZE == PTLX_SIZE
*/
if (pgsize == PTL4_CONT_SIZE) {
if (CONFIG_ARM64_PGTABLE_LEVELS > 3) {
return PTL4_CONT_SHIFT;
}
} else if (pgsize == PTL4_SIZE) {
if (CONFIG_ARM64_PGTABLE_LEVELS > 3) {
return PTL4_SHIFT;
}
} else if (pgsize == PTL3_CONT_SIZE) {
if (CONFIG_ARM64_PGTABLE_LEVELS > 2) {
return PTL3_CONT_SHIFT;
}
} else if (pgsize == PTL3_SIZE) {
if (CONFIG_ARM64_PGTABLE_LEVELS > 2) {
return PTL3_SHIFT;
}
} else if (pgsize == PTL2_CONT_SIZE) {
return PTL2_CONT_SHIFT;
} else if (pgsize == PTL2_SIZE) {
return PTL2_SHIFT;
} else if (pgsize == PTL1_CONT_SIZE) {
return PTL1_CONT_SHIFT;
} else if (pgsize == PTL1_SIZE) {
return PTL1_SHIFT;
}
return -EINVAL;
}
static inline size_t tbllv_to_pgsize(int level)
{
size_t pgsize = 0;