pstore/ram: Clarify resource reservation labels

[linux-2.6-block.git] / fs / pstore / ram.c

diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 98e48d1a9776d35fb35160feef1033d2cd219506..712960e117fea4366756e83f2c3742062f802a33 100644 (file)
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -587,9 +587,16 @@ static int ramoops_init_przs(const char *name,
                goto fail;
 
        for (i = 0; i < *cnt; i++) {
+               char *label;
+
+               if (*cnt == 1)
+                       label = kasprintf(GFP_KERNEL, "ramoops:%s", name);
+               else
+                       label = kasprintf(GFP_KERNEL, "ramoops:%s(%d/%d)",
+                                         name, i, *cnt - 1);
                prz_ar[i] = persistent_ram_new(*paddr, zone_sz, sig,
-                                                 &cxt->ecc_info,
-                                                 cxt->memtype, flags);
+                                              &cxt->ecc_info,
+                                              cxt->memtype, flags, label);
                if (IS_ERR(prz_ar[i])) {
                        err = PTR_ERR(prz_ar[i]);
                        dev_err(dev, "failed to request %s mem region (0x%zx@0x%llx): %d\n",
@@ -619,6 +626,8 @@ static int ramoops_init_prz(const char *name,
                            struct persistent_ram_zone **prz,
                            phys_addr_t *paddr, size_t sz, u32 sig)
 {
+       char *label;
+
        if (!sz)
                return 0;
 
@@ -629,8 +638,9 @@ static int ramoops_init_prz(const char *name,
                return -ENOMEM;
        }
 
+       label = kasprintf(GFP_KERNEL, "ramoops:%s", name);
        *prz = persistent_ram_new(*paddr, sz, sig, &cxt->ecc_info,
-                                 cxt->memtype, 0);
+                                 cxt->memtype, 0, label);
        if (IS_ERR(*prz)) {
                int err = PTR_ERR(*prz);