Correct description of SwapFree in Documentation/filesystems/proc.txt

After migrating most of the information in Documentation/filesystems/proc.txt to the proc(5) man page, Jim Paris pointed out to me that the description of SwapFree in the man page seemed wrong. I think Jim is right, but am given pause by fact that that text has been in Documentation/filesystems/proc.txt since at least 2.6.0. Anyway, I believe that the patch below fixes things.

Signed-off-by Michael Kerrisk <[email protected]>

Documentation/filesystems/proc.txt +1 -3

index a1793d6..cf4260f 100644
@@ -778,8 +778,7 @@ AnonHugePages:   49152 kB
               other things, it is where everything from the Slab is
               allocated.  Bad things happen when you're out of lowmem.
    SwapTotal: total amount of swap space available
-    SwapFree: Memory which has been evicted from RAM, and is temporarily
-              on the disk
+    SwapFree: Amount of swap space that is currently unused.
        Dirty: Memory which is waiting to get written back to the disk
    Writeback: Memory which is actively being written back to the disk
    AnonPages: Non-file backed pages mapped into userspace page tables
 
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After migrating most of the information in Documentation/filesystems/proc.txt to the proc(5) man page, Jim Paris pointed out to me that the description of SwapFree in the man page seemed wrong. I think Jim is right, but am given pause by fact that that text has been in Documentation/filesystems/proc.txt since at least 2.6.0. Anyway, I believe that the patch below fixes things.

Signed-off-by Michael Kerrisk <[email protected]>

Documentation/filesystems/proc.txt +1 -3

index a1793d6..cf4260f 100644
@@ -778,8 +778,7 @@ AnonHugePages:   49152 kB
                other things, it is where everything from the Slab is
                allocated.  Bad things happen when you're out of lowmem.
     SwapTotal: total amount of swap space available
-    SwapFree: Memory which has been evicted from RAM, and is temporarily
-              on the disk
+    SwapFree: Amount of swap space that is currently unused.
         Dirty: Memory which is waiting to get written back to the disk
     Writeback: Memory which is actively being written back to the disk
     AnonPages: Non-file backed pages mapped into userspace page tables
--

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After migrating most of the information in Documentation/filesystems/proc.txt to the proc(5) man page, Jim Paris pointed out to me that the description of SwapFree in the man page seemed wrong. I think Jim is right, but am given pause by fact that that text has been in Documentation/filesystems/proc.txt since at least 2.6.0. Anyway, I believe that the patch below fixes things.

Signed-off-by Michael Kerrisk <[email protected]>

Quoted 9 lines · Michael Kerrisk

After migrating most of the information in Documentation/filesystems/proc.txt to the proc(5) man page, Jim Paris pointed out to me that the description of SwapFree in the man page seemed wrong. I think Jim is right, but am given pause by fact that that text has been in Documentation/filesystems/proc.txt since at least 2.6.0. Anyway, I believe that the patch below fixes things.

Quoted 1 line

Signed-off-by Michael Kerrisk <[email protected]>

Acked-by Rob Landley <[email protected]>

Want me to forward it on? (Lots of documentation stuff gets grabbed by whoever maintains what it's documenting, this looks like it might fall through the cracks...)