MILAN — Italy’s giant hosiery, innerwear and beachwear group Calzedonia SpA said it is negotiating the acquisition of La Perla.

The Italian luxury innerwear company is controlled by San Francisco-based private equity fund JH Partners LLC, which acquired the company in October 2008, after taking a 70 percent stake of the $270 million lingerie company in July 2007.

According to the company, Calzedonia is creating a business plan that aims to maintain the largest number of employees in the city of Bologna, where La Perla is based.

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In order to reorganize the group last year, JH Partners eliminated 309 jobs in Bologna, of which 230 employees were already under a government-funded leave.

Calzedonia is having a busy spring.

In April, the company staged its first fashion show in Rimini, Italy, with a celebrity cast of attendees including Sarah Jessica Parker, Ireland Baldwin, Tali Lennox, Leigh Lezark and Poppy Delevingne.

Calzedonia posted a 16 percent sales gain totaling 1.5 billion euros, or $1.9 billion at current exchange rates in 2012, compared to prior-year revenues.