SUNRPC: Remove transport class dprintk call sites

[linux-2.6-microblaze.git] / mm / Kconfig.debug

diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index 6dae63b..018a5bd 100644 (file)
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -98,6 +98,7 @@ config PAGE_OWNER
 config PAGE_TABLE_CHECK
        bool "Check for invalid mappings in user page tables"
        depends on ARCH_SUPPORTS_PAGE_TABLE_CHECK
+       depends on EXCLUSIVE_SYSTEM_RAM
        select PAGE_EXTENSION
        help
          Check that anonymous page is not being mapped twice with read write
@@ -274,6 +275,12 @@ config DEBUG_KMEMLEAK_AUTO_SCAN
 config PER_VMA_LOCK_STATS
        bool "Statistics for per-vma locks"
        depends on PER_VMA_LOCK
-       default y
        help
-         Statistics for per-vma locks.
+         Say Y here to enable success, retry and failure counters of page
+         faults handled under protection of per-vma locks. When enabled, the
+         counters are exposed in /proc/vmstat. This information is useful for
+         kernel developers to evaluate effectiveness of per-vma locks and to
+         identify pathological cases. Counting these events introduces a small
+         overhead in the page fault path.
+
+         If in doubt, say N.