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INSTALL.md: Clarify --with-lg-vaddr.

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The current wording can be taken to imply that we return tagged pointers to the
user, or otherwise rely on architectural support for them.
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David Goldblatt 2018-05-04 10:44:17 -07:00 committed by David Goldblatt
parent 63712b4c4e
commit b001e6e740
1 changed files with 4 additions and 5 deletions
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INSTALL.md
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@ -262,11 +262,10 @@ any of the following arguments (not a definitive list) to 'configure':
* `--with-lg-vaddr=<lg-vaddr>`
Specify the number of significant virtual address bits. jemalloc uses
pointer tagging if the pointer size is bigger than the required size for
virtual addresses. By default the configure script determines this via CPUID
information on x86_64 and uses default values for other architectures. This
option may be useful when cross compiling.
Specify the number of significant virtual address bits. By default, the
configure script attempts to detect virtual address size on those platforms
where it knows how, and picks a default otherwise. This option may be
useful when cross-compiling.
* `--disable-initial-exec-tls`