From: Chen Gang Date: Thu, 24 Dec 2015 01:07:33 +0000 (+0800) Subject: linux-user/mmap.c: Use end instead of real_end in target_mmap X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=530c003252e07f1ea9df7f8a9adb1082d3a2eb08;p=people%2Fliuw%2Flibxenctrl-split%2Fqemu-xen.git linux-user/mmap.c: Use end instead of real_end in target_mmap The fragment must effectively be mapped only to "end" not to "real_end" (which is a host page aligned address, and thus this is not a fragment). It is consistent with what it is done in the case of one single page. Signed-off-by: Chen Gang Reviewed-by: Laurent Vivier Signed-off-by: Riku Voipio --- diff --git a/linux-user/mmap.c b/linux-user/mmap.c index c6c478e55..445e8c678 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -538,7 +538,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot, /* handle the end of the mapping */ if (end < real_end) { ret = mmap_frag(real_end - qemu_host_page_size, - real_end - qemu_host_page_size, real_end, + real_end - qemu_host_page_size, end, prot, flags, fd, offset + real_end - qemu_host_page_size - start); if (ret == -1)