2 posts tagged with "memory"

How to Clear Cache in Linux?​

1. Clear PageCache only.

sync; echo 1 > /proc/sys/vm/drop_caches

2. Clear dentries and inodes.

sync; echo 2 > /proc/sys/vm/drop_caches

3. Clear pagecache, dentries, and inodes.

sync; echo 3 > /proc/sys/vm/drop_caches

• references:
  • Documentation for /proc/sys/vm/drop_caches

the key information to implement a memory pool​

• boundary:

How to solve the boundaries between different different chunks

• name:

How to get an allocated memory chunk

• reference count

whether the chunk is still used. I want to free the memory only if the process termination or free, with threads free, only do reference count minus 1.

• data structure:

which data structure will be efficient?