From: Eric Dumazet <edumazet@google.com>
Date: Wed, 6 Aug 2014 23:06:25 +0000 (-0700)
Subject: mm/vmalloc.c: add a schedule point to vmalloc()
X-Git-Tag: cleanup-for-v3.18~96^2~140
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=660654f90e7f8f6d8163276d47fc1573a39c7007;p=pandora-kernel.git

mm/vmalloc.c: add a schedule point to vmalloc()

It is not uncommon on busy servers to get stuck hundred of ms in
vmalloc() calls (like file descriptor expansions).

Add a cond_resched() to __vmalloc_area_node() to be gentle to
other tasks.

[akpm@linux-foundation.org: only do it for __GFP_WAIT, per David]
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Hugh Dickins <hughd@google.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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