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Sat, 15 Feb 2020 12:50:18 +0100 From: Jan Kiszka To: Paul Walmsley , Palmer Dabbelt , Albert Ou , linux-riscv@lists.infradead.org Subject: [PATCH v2 2/3] riscv: End kernel region search in setup_bootmem earlier Date: Sat, 15 Feb 2020 12:49:43 +0100 Message-Id: X-Mailer: git-send-email 2.16.4 In-Reply-To: References: In-Reply-To: References: X-Provags-ID: V03:K1:dRJ78LiuZpsCOAaRFt2kX6CRQY/zfwNmeS/wQDiU3z1AmAFRFhs a7pkspN8g5TqXQti6GoOwOTcxgRVpyBAlFa2EVziRbawhY4KUUiD3I1zy4Lq8ZsWFN+e6A7 Com3Vi66HeXM9fYCztbS55ZxjeSj1+Ty1jIUpdedhzMyzAONSnzJ3u1FDDZ5BIv8FQLimun ok88tzo/ZaDd94JCMqDvA== X-UI-Out-Filterresults: notjunk:1;V03:K0:h4l0FGfFSd8=:fcKAdv9BAbt2EL6f6a/gnV XDc+YpOCOmmpw5Jp3Vf6XlH/UWBcdQnDFV44NqM4kAc5oNlPgOkrvYcScwcoCV52QV1dy3bO9 NlWJ/Souni9qfUD5D4XoYkd7kjuv40xQvLDPB1PP5FUmBfCsidbNwrsBoRpQADynbELRhui5D WLI6MwPCKxettX+mH19d5W+T2tUezhfZFdtIonKLWukREWLFUXVK9cDMY0UaM4ntnGoH/aU4Z aq+TKlC5SWF46s4iJhT71Ly7GRDaIsf4B3vZYNdZRHzz70fWpR4Ips/BQhwFqJrW2XFZHVUre zZt88wwNbgkTIWOwlVFwKOFHdeIxRlx0DbEhLvuh2zROEkKSKXcDrU5A6UzhroK/khKd+eXVC M6UKThz43vnyVpknsDrgAMCZTvLw2HkJXFJzIchUY20V3TdGlTx6yIPABi0+gB4V4gSspQ/2h K8e0en6TmHPWW9OzgikSHpRidAM0WMBxp1OpDE3wqQn2A01kSdVhPpyR/TX5twZn8zgsQFeMv AVpIyln9OS9KpsuK+T3zSZtmge4qRv663UYveu28/KEdxOBLTJCdtIGk8cf6uYO2FQ95Cok4I zoi/PZdUrgCxItKxd+LcPj+ntp0D7Iet+23K7Do4a9fKNRVX81/01GcRmjFj9kBhbaNq3zgSB 0f3DXSQoje+FJXJkUxt3TGH0EpNlaiySAnIdz9YVLLz5dTB1TBc5Bn5tZywz9QKxVyN7eCWAg HP+/JB6FY6zd9MPjYbE77A50g4ntoDcoCb3+2fZTqSgPZH2ivq6wiWZ2PcUTTMn5URGye2qWt ukwBGnxKtJPJkPdfzpHfXqo3R23oVQnc2fVJ+/LyDmuzBGHffZ+6EfhesP9k+ayVUaCzPW0xX hmSqAmLgJMibFEHKXFTE//Ps4EpI7S2vRRvjvlBNZTbZTy1AqUb/g8kyJRJ0UyU8F2C56jkfN Zj7LRnPykC813bq+JK7Dj8wGma8aDILHJOabhx5RE+Tjw68Mjx2WP+CwK0+lRjajpK+UkrUXI AXALhvcd159vwoyDN2z+Ls1F/1fEHwOymLGgqXz503JaJ2aOzHYkSK5YhL7hQFGHy0Ovx5DmP Q8JSoBrJKe/uMtULDUyNpnHEcsmlmvWnQ/cz8SP1u1XUuxLiXVXSToJxrzLiShG4CMIp4eqBz zvIx6EUxxodLvTGvGG/XIjFhl/MhFoTOck8Rh9uVUvp/Z2bBNg/FbcZgUhOeuysNiLfL9vORl jxUgSQKNrv44U5AMB Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200215_035027_336003_C6109343 X-CRM114-Status: UNSURE ( 5.70 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org From: Jan Kiszka No need to look further when that single region is found. Signed-off-by: Jan Kiszka =2D-- arch/riscv/mm/init.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index aec39a56d6cf..a774547e9021 100644 =2D-- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -160,6 +160,8 @@ void __init setup_bootmem(void) if (reg->base + mem_size < end) memblock_remove(reg->base + mem_size, end - reg->base - mem_size); + + break; } } BUG_ON(mem_size =3D=3D 0); =2D- 2.16.4