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Revision a2155fcc

IDa2155fcc65fbf5d0c49a263fac855c831ee17a99

Added by balrog about 13 years ago

Swap only altered elements of the grouplist in getgroups() (Kirill Shutemov).

getgroups() returns the number of supplementary group IDs, so it's
unnessary to swap the entire array. It can dramatically speed up
the syscall: on recent Linux kernels NGROUPS_MAX=65536.

Signed-off-by: Kirill A. Shutemov <>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5267 c046a42c-6fe2-441c-8c8c-71466251a162

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