Remove misleading hints about reducing the System V request size.

Since the request size will now be ~48 bytes regardless of how
shared_buffers et. al. are set, much of this advice is no longer
relevant.

diff --git a/src/backend/port/sysv_shmem.c b/src/backend/port/sysv_shmem.c
index 98e049380a7981497b7feaf2d0550294b95dc4e4..df06312037f2a1b35261d9138b7292b716b2ae66 100644 (file)
--- a/src/backend/port/sysv_shmem.c
+++ b/src/backend/port/sysv_shmem.c
@@ -167,39 +167,25 @@ InternalIpcMemoryCreate(IpcMemoryKey memKey, Size size)
                    IPC_CREAT | IPC_EXCL | IPCProtection),
                 (errno == EINVAL) ?
                 errhint("This error usually means that PostgreSQL's request for a shared memory "
-         "segment exceeded your kernel's SHMMAX parameter.  You can either "
-                        "reduce the request size or reconfigure the kernel with larger SHMMAX.  "
-                 "To reduce the request size (currently %lu bytes), reduce "
-                        "PostgreSQL's shared memory usage, perhaps by reducing shared_buffers "
-                        "or max_connections.\n"
-                        "If the request size is already small, it's possible that it is less than "
-                        "your kernel's SHMMIN parameter, in which case raising the request size or "
-                        "reconfiguring SHMMIN is called for.\n"
+         "segment exceeded your kernel's SHMMAX parameter, or possibly that "
+                        "it is less than "
+                        "your kernel's SHMMIN parameter.\n"
        "The PostgreSQL documentation contains more information about shared "
-                        "memory configuration.",
-                        (unsigned long) size) : 0,
+                        "memory configuration.") : 0,
                 (errno == ENOMEM) ?
                 errhint("This error usually means that PostgreSQL's request for a shared "
-                  "memory segment exceeded available memory or swap space, "
-              "or exceeded your kernel's SHMALL parameter.  You can either "
-                        "reduce the request size or reconfigure the kernel with larger SHMALL.  "
-                 "To reduce the request size (currently %lu bytes), reduce "
-                        "PostgreSQL's shared memory usage, perhaps by reducing shared_buffers "
-                        "or max_connections.\n"
+                  "memory segment exceeded your kernel's SHMALL parameter.  You may need "
+                        "to reconfigure the kernel with larger SHMALL.\n"
        "The PostgreSQL documentation contains more information about shared "
-                        "memory configuration.",
-                        (unsigned long) size) : 0,
+                        "memory configuration.") : 0,
                 (errno == ENOSPC) ?
                 errhint("This error does *not* mean that you have run out of disk space.  "
                         "It occurs either if all available shared memory IDs have been taken, "
                         "in which case you need to raise the SHMMNI parameter in your kernel, "
          "or because the system's overall limit for shared memory has been "
-                "reached.  If you cannot increase the shared memory limit, "
-         "reduce PostgreSQL's shared memory request (currently %lu bytes), "
-                  "perhaps by reducing shared_buffers or max_connections.\n"
+                "reached.\n"
        "The PostgreSQL documentation contains more information about shared "
-                        "memory configuration.",
-                        (unsigned long) size) : 0));
+                        "memory configuration.") : 0));
    }
 
    /* Register on-exit routine to delete the new segment */