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Message-ID: <20061023111145.52479.qmail@web32412.mail.mud.yahoo.com> Date: Mon, 23 Oct 2006 04:11:45 -0700 (PDT) From: Giridhar Pemmasani <pgiri@...oo.com> To: Alan Cox <alan@...rguk.ukuu.org.uk> Cc: linux-kernel@...r.kernel.org Subject: Re: __vmalloc with GFP_ATOMIC causes 'sleeping from invalid context' --- Alan Cox <alan@...rguk.ukuu.org.uk> wrote: > You are not allowed to call vmalloc in atomic context, especially in > interrupt paths. Vmalloc has to do TLB handling work and that can > involve cross calls and other stuff that isn't IRQ friendly on all > platforms. This has been discussed before: http://marc.theaimsgroup.com/?l=linux-kernel&m=114831100404677&w=2 The problem is not with calling vmalloc in atomic context, but __vmalloc, which can be. The proposed patch makes sure __vmalloc is not supposed to be called in interrupt context. Giri __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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