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Date: Sun, 8 Nov 2015 14:30:44 +0900 From: Sergey Senozhatsky <sergey.senozhatsky@...il.com> To: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp> Cc: andy.shevchenko@...il.com, julia@...u.dk, joe@...ches.com, mhocko@...nel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] tree wide: Use kvfree() than conditional kfree()/vfree() On (11/08/15 14:04), Tetsuo Handa wrote: [..] > Also, we might want to add a helper that does vmalloc() when > kmalloc() failed because locations that do > > ptr = kmalloc(size, GFP_NOFS); > if (!ptr) > ptr = vmalloc(size); /* Wrong because GFP_KERNEL is used implicitly */ > > are found. ext4 does something like that. void *ext4_kvmalloc(size_t size, gfp_t flags) { void *ret; ret = kmalloc(size, flags | __GFP_NOWARN); if (!ret) ret = __vmalloc(size, flags, PAGE_KERNEL); return ret; } -ss -- 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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