Commit:     24950898ffd161f2ea67c60f398146457bca8bf0
Parent:     f4e875704d8ebf0323235e635e666432f097ae42
Author:     Pavel Machek <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 16 23:31:28 2007 -0700
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Oct 17 08:43:06 2007 -0700

    vm.txt: document min_free_pages as critical for correctness
    min_free_pages is critical for correctness, document it as such.
    Signed-off-by: Pavel Machek <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
 Documentation/sysctl/vm.txt |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index 17346da..b89570c 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -112,6 +112,12 @@ of kilobytes free.  The VM uses this number to compute a 
 value for each lowmem zone in the system.  Each lowmem zone gets 
 a number of reserved free pages based proportionally on its size.
+Some minimal ammount of memory is needed to satisfy PF_MEMALLOC
+allocations; if you set this to lower than 1024KB, your system will
+become subtly broken, and prone to deadlock under high loads.
+Setting this too high will OOM your machine instantly.
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at

Reply via email to