mirror of https://gitee.com/openkylin/linux.git
[XFS] pv 956240, author: nathans, rv: vapo - Minor fixes in
kmem_zalloc_greedy() SGI-PV: 956240 SGI-Modid: xfs-linux-melb:xfs-kern:26983a Signed-off-by: Vlad Apostolov <vapo@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
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@ -72,15 +72,20 @@ void *
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kmem_zalloc_greedy(size_t *size, size_t minsize, size_t maxsize,
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unsigned int __nocast flags)
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{
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void *ptr;
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void *ptr;
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size_t kmsize = maxsize;
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unsigned int kmflags = (flags & ~KM_SLEEP) | KM_NOSLEEP;
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while (!(ptr = kmem_zalloc(maxsize, flags))) {
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if ((maxsize >>= 1) <= minsize) {
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maxsize = minsize;
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flags = KM_SLEEP;
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while (!(ptr = kmem_zalloc(kmsize, kmflags))) {
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if ((kmsize <= minsize) && (flags & KM_NOSLEEP))
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break;
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if ((kmsize >>= 1) <= minsize) {
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kmsize = minsize;
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kmflags = flags;
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}
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}
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*size = maxsize;
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if (ptr)
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*size = kmsize;
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return ptr;
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}
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