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ARMv8.2-LPA support

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Change-Id: I12a6eac55af2e7f6a643e4e04ed59a85769f4063
This commit is contained in:
TOIDA,Suguru
2018-11-30 09:18:52 +09:00
committed by Masamichi Takagi
parent 4ba4bbd711
commit 96b6d773a9
6 changed files with 47 additions and 37 deletions
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16
arch/arm64/kernel/syscall.c
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@@ -1750,10 +1750,12 @@ SYSCALL_DECLARE(mmap)
if (hugeshift == 0) {
/* default hugepage size */
flags |= MAP_HUGE_SECOND_BLOCK;
} else if (hugeshift == MAP_HUGE_SECOND_BLOCK ||
hugeshift == MAP_HUGE_FIRST_BLOCK ||
} else if ((first_level_block_support &&
hugeshift == MAP_HUGE_FIRST_BLOCK) ||
(first_level_block_support &&
hugeshift == MAP_HUGE_FIRST_CONT_BLOCK) ||
hugeshift == MAP_HUGE_SECOND_BLOCK ||
hugeshift == MAP_HUGE_SECOND_CONT_BLOCK ||
hugeshift == MAP_HUGE_FIRST_CONT_BLOCK ||
hugeshift == MAP_HUGE_THIRD_CONT_BLOCK) {
/*nop*/
} else {
@@ -1825,10 +1827,12 @@ SYSCALL_DECLARE(shmget)
if (hugeshift == 0) {
/* default hugepage size */
shmflg |= SHM_HUGE_SECOND_BLOCK;
} else if (hugeshift == SHM_HUGE_SECOND_BLOCK ||
hugeshift == SHM_HUGE_FIRST_BLOCK ||
} else if ((first_level_block_support &&
hugeshift == SHM_HUGE_FIRST_BLOCK) ||
(first_level_block_support &&
hugeshift == SHM_HUGE_FIRST_CONT_BLOCK) ||
hugeshift == SHM_HUGE_SECOND_BLOCK ||
hugeshift == SHM_HUGE_SECOND_CONT_BLOCK ||
hugeshift == SHM_HUGE_FIRST_CONT_BLOCK ||
hugeshift == SHM_HUGE_THIRD_CONT_BLOCK) {
/*nop*/
} else {