Site updated: 2020-05-16 23:49:04

2016/07/04/Linux内核中zram模块的理解/index.html

@@ -305,7 +305,7 @@ <h3 id="技术特点"><a href="#技术特点" class="headerlink" title="技术
 <li>多核支持：传统的虚拟内存、或写SWAP等操作都是单核的，但是压缩内存技术则是可以并行跑在多核上，同时压缩内存和开辟新的内存空间</li>
 </ol>
 <h2 id="zram的使用"><a href="#zram的使用" class="headerlink" title="zram的使用"></a>zram的使用</h2><p>在调研期间，尝试过各种方法，最终发现一个好的方法。</p>
-<h3 id="创建zramswap-conf-文件"><a href="#创建zramswap-conf-文件" class="headerlink" title="创建zramswap.conf 文件"></a>创建zramswap.conf 文件</h3><p>在<code>/etc/init</code>目录下，创建<code>zramswap.conf</code>，文本内容如下：<br><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br></pre></td><td class="code"><pre><span class="line">description "Initializes zram swaping"</span><br><span class="line">start on runlevel [2345]</span><br><span class="line">stop on runlevel [!2345]</span><br><span class="line">pre-start script</span><br><span class="line"><span class="meta">#</span><span class="bash"> load dependency modules</span></span><br><span class="line">modprobe zram num_devices=2</span><br><span class="line"><span class="meta">#</span><span class="bash"> initialize the devices</span></span><br><span class="line">echo 1073741824 &gt; /sys/block/zram0/disksize</span><br><span class="line">echo 1073741824 &gt; /sys/block/zram1/disksize</span><br><span class="line"><span class="meta">#</span><span class="bash"> Creating swap filesystems</span></span><br><span class="line">mkswap /dev/zram0</span><br><span class="line">mkswap /dev/zram1</span><br><span class="line"><span class="meta">#</span><span class="bash"> Switch the swaps on</span></span><br><span class="line">swapon -p 5 /dev/zram0</span><br><span class="line">swapon -p 5 /dev/zram1</span><br><span class="line">end script</span><br><span class="line">post-stop script</span><br><span class="line"><span class="meta">#</span><span class="bash"> Switching off swap</span></span><br><span class="line">swapoff /dev/zram0</span><br><span class="line">swapoff /dev/zram1</span><br><span class="line">rmmod zram</span><br><span class="line">end script</span><br></pre></td></tr></table></figure></p>
+<h3 id="创建zramswap-conf-文件"><a href="#创建zramswap-conf-文件" class="headerlink" title="创建zramswap.conf 文件"></a>创建zramswap.conf 文件</h3><p>在<code>/etc/init</code>目录下，创建<code>zramswap.conf</code>，文本内容如下：<br><figure class="highlight shell"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br></pre></td><td class="code"><pre><span class="line">description "Initializes zram swaping"</span><br><span class="line">start on runlevel [2345]</span><br><span class="line">stop on runlevel [!2345]</span><br><span class="line">pre-start script</span><br><span class="line"><span class="meta">#</span> load dependency modules</span><br><span class="line">modprobe zram num_devices=2</span><br><span class="line"><span class="meta">#</span> initialize the devices</span><br><span class="line">echo 1073741824 &gt; /sys/block/zram0/disksize</span><br><span class="line">echo 1073741824 &gt; /sys/block/zram1/disksize</span><br><span class="line"><span class="meta">#</span> Creating swap filesystems</span><br><span class="line">mkswap /dev/zram0</span><br><span class="line">mkswap /dev/zram1</span><br><span class="line"><span class="meta">#</span> Switch the swaps on</span><br><span class="line">swapon -p 5 /dev/zram0</span><br><span class="line">swapon -p 5 /dev/zram1</span><br><span class="line">end script</span><br><span class="line">post-stop script</span><br><span class="line"><span class="meta">#</span> Switching off swap</span><br><span class="line">swapoff /dev/zram0</span><br><span class="line">swapoff /dev/zram1</span><br><span class="line">rmmod zram</span><br><span class="line">end script</span><br></pre></td></tr></table></figure></p>
 <h3 id="重启计算机"><a href="#重启计算机" class="headerlink" title="重启计算机"></a>重启计算机</h3><h3 id="查看swap的信息"><a href="#查看swap的信息" class="headerlink" title="查看swap的信息"></a>查看swap的信息</h3><ol>
 <li><code>grep Swap /proc/meminfo</code> see total swap, and free swap (all linux)</li>
 <li><code>cat /proc/swaps</code> see which swap devices are being used (all linux)</li>

2019/01/02/Understanding-the-Linux-Kernel-读书笔记-The-Virtual-Filesystem/index.html

@@ -22,7 +22,7 @@
 
 
 
-  <meta name="keywords" content="Kernel, 读书笔记, 文件系统, L">
+  <meta name="keywords" content="Kernel, 文件系统, 读书笔记, L">
 
 
 
@@ -343,10 +343,10 @@ <h3 id="7-1-Linux-File-Locking"><a href="#7-1-Linux-File-Locking" class="headerl
 
               <a href="/tags/Kernel/">Kernel</a>
 
-              <a href="/tags/读书笔记/">读书笔记</a>
-
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+              <a href="/tags/读书笔记/">读书笔记</a>
+
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2020/05/10/每周分享第12期/index.html

@@ -335,6 +335,12 @@ <h3 id="DIMM-dual-in-line-memory-module"><a href="#DIMM-dual-in-line-memory-modu
 
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