[PATCH] madvise.2: tfix
From: David Prévot <hidden>
Date: 2011-09-22 02:13:46
Subsystem:
the rest · Maintainer:
Linus Torvalds
Signed-off-by: David Prévot <redacted> --- man2/madvise.2 | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/man2/madvise.2 b/man2/madvise.2
index 59e6846..c87877c 100644
--- a/man2/madvise.2
+++ b/man2/madvise.2@@ -226,9 +226,9 @@ to replace them with huge pages. The kernel will also allocate huge pages directly when the region is naturally aligned to the huge page size (see .BR posix_memalign (2)). -This feature is primarily aimmed at applications that use large mappings of +This feature is primarily aimed at applications that use large mappings of data and access large regions of that memory at a time (e.g. virtualization -systems such as qemu). +systems such as QEMU). It can very easily waste memory (e.g. a 2MB mapping that only ever accesses 1 byte will result in 2MB of wired memory instead of one 4KB page). See the kernel source file
--
1.7.6.3
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