39 lines
1.8 KiB
Diff
39 lines
1.8 KiB
Diff
diff --git a/free.1 b/free.1
|
|
index f7c2313..1e8e7ef 100644
|
|
--- a/free.1
|
|
+++ b/free.1
|
|
@@ -11,8 +11,11 @@ free \- Display amount of free and used memory in the system
|
|
.SH DESCRIPTION
|
|
.B free
|
|
displays the total amount of free and used physical and swap memory in the
|
|
-system, as well as the buffers used by the kernel. The shared memory column
|
|
-should be ignored; it is obsolete.
|
|
+system, as well as the buffers used by the kernel.
|
|
+The shared memory column represents either the MemShared value (2.4 series
|
|
+kernels) or the Shmem value (2.6 series kernels and later) taken from the
|
|
+/proc/meminfo file. The value is zero if none of the entries is exported
|
|
+by the kernel.
|
|
.SH OPTIONS
|
|
.TP
|
|
\fB\-b\fR, \fB\-\-bytes\fR
|
|
diff --git a/proc/sysinfo.c b/proc/sysinfo.c
|
|
index 15cdb83..8e4aca2 100644
|
|
--- a/proc/sysinfo.c
|
|
+++ b/proc/sysinfo.c
|
|
@@ -629,13 +629,14 @@ void meminfo(void){
|
|
{"LowTotal", &kb_low_total},
|
|
{"Mapped", &kb_mapped}, // kB version of vmstat nr_mapped
|
|
{"MemFree", &kb_main_free}, // important
|
|
- {"MemShared", &kb_main_shared}, // important, but now gone!
|
|
+ {"MemShared", &kb_main_shared}, // obsolete since kernel 2.6! (sharing the variable with Shmem replacement)
|
|
{"MemTotal", &kb_main_total}, // important
|
|
{"NFS_Unstable", &kb_nfs_unstable},
|
|
{"PageTables", &kb_pagetables}, // kB version of vmstat nr_page_table_pages
|
|
{"ReverseMaps", &nr_reversemaps}, // same as vmstat nr_page_table_pages
|
|
{"SReclaimable", &kb_swap_reclaimable}, // "swap reclaimable" (dentry and inode structures)
|
|
{"SUnreclaim", &kb_swap_unreclaimable},
|
|
+ {"Shmem", &kb_main_shared}, // sharing the output variable with obsolete MemShared (kernel 2.6 and later)
|
|
{"Slab", &kb_slab}, // kB version of vmstat nr_slab
|
|
{"SwapCached", &kb_swap_cached},
|
|
{"SwapFree", &kb_swap_free}, // important
|