| commit | a92405f082d43267575444a6927085e4c8a69e4e | [log] [tgz] |
|---|---|---|
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | Mon Feb 22 18:46:03 2016 +0100 |
| committer | Catalin Marinas <catalin.marinas@arm.com> | Tue Feb 23 17:42:11 2016 +0000 |
| tree | ba1521809b1a95c228956628863c8d454cd0dff7 | |
| parent | 70c8abc28762d04e36c92e07eee2ce6ab41049cb [diff] |
arm64: mm: only perform memstart_addr sanity check if DEBUG_VM Checking whether memstart_addr has been assigned every time it is referenced adds a branch instruction that may hurt performance if the reference in question occurs on a hot path. So only perform the check if CONFIG_DEBUG_VM=y. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> [catalin.marinas@arm.com: replaced #ifdef with VM_BUG_ON] Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>