[PATCH] remove static variable mm/page-writeback.c:total_pages

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page-writeback.c has a static local variable "total_pages", which is the
total number of pages in the system.

There is a global variable "vm_total_pages", which is the total number of
pages the VM controls.

Both are assigned from the return value of nr_free_pagecache_pages().

This patch removes the local variable and uses the global variable in that
place.

One more issue with the local static variable "total_pages" is that it is
not updated when new pages are hot-added.  Since vm_total_pages is updated
when new pages are hot-added, this patch fixes that problem too.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

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This commit is contained in:

Chandra Seetharaman 2006-09-29 02:01:24 -07:00 • committed by Linus Torvalds

parent 153dcc54df

commit 40c99aae23

1 changed files with 4 additions and 7 deletions

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mm/page-writeback.c

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