Commit e53d2f74 authored Mar 31, 2020 by Vinayak Menon Committed by Gerrit - the friendly Code Review server Apr 01, 2020

mm: page_alloc: avoid fatal sig check for GFP_NOFS



Some of the fs allocations like those for journalling
are critical and can cause a fatal error if allocation
fails. Avoid bailing out early in those cases, even if
a fatal signal is pending on the caller task.

Change-Id: Ib2803d763313b196123a4c1e2c66227b5d6e6e14
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>

parent 10da9faf

mm/page_alloc.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -4646,7 +4646,8 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
		if (current->flags & PF_MEMALLOC)
		goto nopage;

		if (fatal_signal_pending(current) && !(gfp_mask & __GFP_NOFAIL))
		if (fatal_signal_pending(current) && !(gfp_mask & __GFP_NOFAIL) &&
		(gfp_mask & __GFP_FS))
		goto nopage;

		/* Try direct reclaim and then allocating */