Messages in this thread Patch in this message | | | Date | Tue, 16 Jul 2002 19:58:12 +0200 | Subject | [PATCH] Fix bug in xdr_kunmap() (resend) | From | Trond Myklebust <> |
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The following patch fixes a bug in xdr_kunmap() that has been known to deadlock TCP mounts on highmem systems. It also removes an unnecessary call to flush_page_to_ram().
Cheers, Trond
diff -u --recursive --new-file linux-2.5.25/net/sunrpc/xdr.c linux-2.5.25-fix_kmap/net/sunrpc/xdr.c --- linux-2.5.25/net/sunrpc/xdr.c Thu Jun 6 12:23:23 2002 +++ linux-2.5.25-fix_kmap/net/sunrpc/xdr.c Tue Jul 16 18:47:07 2002 @@ -242,11 +242,11 @@ return; if (base || xdr->page_base) { pglen -= base; + base += xdr->page_base; ppage += base >> PAGE_CACHE_SHIFT; } for (;;) { flush_dcache_page(*ppage); - flush_page_to_ram(*ppage); kunmap(*ppage); if (pglen <= PAGE_CACHE_SIZE) break; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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