Re: [PATCH v8 1/3] mm: limit growth of 3% hardcoded other user reserve

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On Mon, 8 Apr 2013 15:04:02 -0400 Andrew Shewmaker <agshew@xxxxxxxxx> wrote:

> v8:
>  * Rebased onto v3.9-rc4-mmotm-2013-03-26-15-09
> 
>  * Clarified reasoning between different calculations for
>    overcommit 'guess' and 'never modes in FAQ entry
>    "How do you calculate a minimum useful reserve?"
>    in response to Simon Jeons.
> 
>  * Added third patch in series to handle hot-added or hot-swapped
>    memory.

Well here's the v7-plus-my-fixes to v8 delta:

--- a/.gitignore~mm-limit-growth-of-3%-hardcoded-other-user-reserve-v8
+++ a/.gitignore
@@ -30,6 +30,7 @@ modules.builtin
 *.lzma
 *.xz
 *.lzo
+*.out
 *.patch
 *.gcno
 
diff -puN include/linux/mm.h~mm-limit-growth-of-3%-hardcoded-other-user-reserve-v8 include/linux/mm.h
--- a/include/linux/mm.h~mm-limit-growth-of-3%-hardcoded-other-user-reserve-v8
+++ a/include/linux/mm.h
@@ -44,8 +44,6 @@ extern int sysctl_legacy_va_layout;
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 
-extern unsigned long sysctl_user_reserve_kbytes;
-
 #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
 
 /* to align the pointer to the (next) page boundary */
diff -puN kernel/sysctl.c~mm-limit-growth-of-3%-hardcoded-other-user-reserve-v8 kernel/sysctl.c
--- a/kernel/sysctl.c~mm-limit-growth-of-3%-hardcoded-other-user-reserve-v8
+++ a/kernel/sysctl.c
@@ -97,6 +97,7 @@
 /* External variables not in a header file. */
 extern int sysctl_overcommit_memory;
 extern int sysctl_overcommit_ratio;
+extern unsigned long sysctl_user_reserve_kbytes;
 extern int max_threads;
 extern int suid_dumpable;
 #ifdef CONFIG_COREDUMP

ie, it reverts my cleanup of the extern declaration and adds a random
unchangelogged line to .gitignore.

I'll grab the new changelog then ignore this update ;)

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